Pull rod assembly and pull rod type sound box

Abstract

The utility model provides a kind of pull rod assembly and pull rod type sound box, the pull rod assembly includes handle and two telescopic rod units;Each telescopic rod unit includes inner rod body and outer rod body, the lower end of inner rod body is inserted in outer rod body from the upper end of outer rod body and can be telescopic relative to outer rod body, the lower end of inner rod body is connected with locking component;The bottom of one end of handle is respectively fixed with the upper end of two inner rod bodies;The inside of each inner rod body is provided with jack, the upper end of each jack is driven connection with button located in the inside of handle, the lower end of each jack is abutted with trigger end on locking component on the corresponding side;The outside of each jack is sleeved and fixed with at least one limiting piece, the outer edge of each limiting piece is abutted with the inside wall of corresponding inner rod body, the pull rod type sound box includes sound box body and above-mentioned pull rod assembly;The utility model can avoid impact abnormal sound between jack and inner rod body when being applied to sound box and vibrating with sound box.

Claims

1. A lever assembly, comprising a handle (1) and two telescopic lever units (2); each of the telescopic lever units (2) comprises an inner lever body (21) and an outer lever body (22), the lower end of the inner lever body (21) being inserted into the outer lever body (22) from the upper end of the outer lever body (22) and capable of telescopic movement relative to the outer lever body (22), the lower end of the inner lever body (21) being connected to a locking member (23); when the inner lever body (21) is extended to its limit position relative to the outer lever body (22), the... The locking component (23) is used to lock the inner rod (21) and the outer rod (22). The upper ends of the two inner rods (21) are respectively fixed to the bottom of one end of the handle (1). Each inner rod (21) has a push rod (24) on its inner side. The upper end of each push rod (24) is connected to the button (11) located inside the handle (1). The lower end of each push rod (24) abuts against the trigger end on the corresponding locking component (23). The characteristic feature is that: Each of the top rods (24) is fitted with at least one limiting member (3), and the outer edge of each limiting member (3) abuts against the inner sidewall of the corresponding inner rod body (21).

2. The tie rod assembly according to claim 1, characterized in that: Each of the top rods (24) is fitted with two limiting members (3) that are spaced apart along the length of the top rod (24).

3. The tie rod assembly according to claim 1 or 2, characterized in that: The limiting member (3) is a plate-shaped structure. A through hole (31) is vertically provided on the limiting member (3). The top rod (24) passes through the through hole (31) and is tightly fitted with the through hole (31).

4. The tie rod assembly according to claim 3, characterized in that: The upper end surface of the limiting member (3) is provided with a sleeve part (32), which is sleeved on the outside of the top rod (24) and tightly fitted with the top rod (24).

5. A trolley-type speaker, comprising a speaker enclosure (4), characterized in that: The lever-type speaker also includes a lever assembly as described in any one of claims 1-4; the two telescopic rod units (2) in the lever assembly are both inserted into the speaker enclosure (4), and the lower end of the outer rod body (22) in each telescopic rod unit (2) is fixed to the speaker enclosure (4).

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