The backrest lock release lever
Technical field
The utility model relates to a kind of backrest lock release lever.
Background technology
Adopted iron wire pull bar connectivity port by the lock release lever after tradition, it has strict requirement to motion path, otherwise can produce interference, catching phenomenon, has the risk of release inefficacy and generation abnormal sound.And after tradition, the reset attachment structure by the lock release lever is comparatively complicated, and is compact not.
Summary of the invention
Technical problem to be solved in the utility model is to provide a kind of backrest lock release lever, and the reset attachment of this backrest lock release lever is simpler, compact.
For this reason, the backrest lock release lever that the utility model provides, comprise handle box, handle and drag-line, described handle and handle box sleeve coordinate and can relative pulls, described drag-line passes the handle box and is connected with handle, offer spring groove on described handle, be provided with retracing spring in spring groove, the front end of retracing spring withstands on rear end on spring groove and withstands on the handle box.
In the utility model, the mounting structure of retracing spring is comparatively simple, and structure is very compact, and reset function is relatively powerful.
Description of drawings
The perspective view of the backrest lock release lever that Fig. 1 provides for the utility model.
Fig. 2 is the cross-sectional schematic of Fig. 1.
The specific embodiment
As shown in Figure 1 and Figure 2, the backrest lock release lever that the utility model provides comprises handle box 1, handle 2 and drag-line 3, described handle 2 and handle box 1 sleeve coordinates and can relative pull, described drag-line 3 passes handle box 1 and is connected with handle 2, offer spring groove 4 on described handle 2, be provided with retracing spring 5 in spring groove 4, the front end of retracing spring 5 withstands on rear end on spring groove 4 and withstands on handle box 1, handle box 1 has the baffle plate 6 that extends down into spring groove 4, described retracing spring 5 rear ends withstand on baffle plate 6, and baffle plate 6 is embedded in the interior metal sheet of handle box 1 for top.
As shown in Figure 2, in order to facilitate handle 2 with handle box 1 snapping and to prevent that both break away from, handle box 1 bottom offers position-limited trough 7, the following side of described handle 2 is with fixture block 8, and the front side of fixture block 8 is with sliding card inclined-plane 9, and described fixture block 8 enters in position-limited trough 7, handle 2 is pushed into handle box 1 when interior, the entrance of sliding card inclined-plane and handle box 1 is wiped and is touched, and after overcoming resistance, fixture block 8 snaps in position-limited trough 7.