A collapsible electronic equipment, comprising: a first part; a shaft fixedly disposed on the first part; a second part, disposed on the shaft, and pivotable relative to the first part via the shaft; a retaining element being a gear with a plurality of teeth portions fixedly disposed on the shaft; and a blocking mechanism, the blocking mechanism comprising: a blocking element movably disposed on the second part and configured to engage with the teeth of the retaining element to stop the retaining element from rotating, such that a relative position between the first part and the second part is fixed; and a driving element configured to drive the blocking element to abut itself against the retaining element; characterized in that the blocking element is a gear rack; the driving element comprises a motor, and a gear element disposed on the motor and engaged with the blocking element for moving the blocking element, wherein the driving element is further configured, in response to receiving a driving signal, to drive the blocking element to separate from the retaining element, such that the first part is rotatable relative to the second part, and the relative position between the first part and the second part is changeable. a first part; a shaft fixedly disposed on the first part; a second part, disposed on the shaft, and pivotable relative to the first part via the shaft; a retaining element being a gear with a plurality of teeth portions fixedly disposed on the shaft; and a blocking mechanism, the blocking mechanism comprising: a blocking element movably disposed on the second part and configured to engage with the teeth of the retaining element to stop the retaining element from rotating, such that a relative position between the first part and the second part is fixed; and a driving element configured to drive the blocking element to abut itself against the retaining element; characterized in that the blocking element is a gear rack; the driving element comprises a motor, and a gear element disposed on the motor and engaged with the blocking element for moving the blocking element, wherein the driving element is further configured, in response to receiving a driving signal, to drive the blocking element to separate from the retaining element, such that the first part is rotatable relative to the second part, and the relative position between the first part and the second part is changeable. a blocking element movably disposed on the second part and configured to engage with the teeth of the retaining element to stop the retaining element from rotating, such that a relative position between the first part and the second part is fixed; and a driving element configured to drive the blocking element to abut itself against the retaining element; characterized in that the blocking element is a gear rack; the driving element comprises a motor, and a gear element disposed on the motor and engaged with the blocking element for moving the blocking element, wherein the driving element is further configured, in response to receiving a driving signal, to drive the blocking element to separate from the retaining element, such that the first part is rotatable relative to the second part, and the relative position between the first part and the second part is changeable.