Box body limiting device and box body

Abstract

The invention discloses a box body limiting device and a box body. The box boy comprises an upper box body and a lower box body, and a clamping groove is formed in the upper box body. The box body limiting device comprises a clamp spring and a lap joint block fixed to the lower box body, wherein the clamp spring comprises a body, a clamped connection part and a ring-shaped hook, the clamped connection part is matched with the clamping groove, and an opening is reserved between the tail end of the ring-shaped hook and the body; and the lap joint block is fixed to the lower box body and comprises at least two vertical blocks and a connecting part for connecting the vertical blocks, the connecting part comprises a cylinder and a cam body, the cylinder is clamped in the hook, and the cam body is matched with the opening to achieve limiting. The size of the diameter of the cylinder is smaller than the size of the width of the opening; and the sum total of the height of the cam body and the diameter of the cylinder is larger than the size of the inner diameter of the hook. By means of the box body limiting device and the box body, the size of the clamp spring is matched with the size of the lap joint block, the problem that a clamp spring in the prior art is prone to falling off and not prone to being assembled is solved through simple structures; and the movement angel of the clamp spring is determined through design of the cam body, and therefore assembling is simplified.

Description

technical field [0001] The invention relates to the sealing and position-limiting technology of a split box body, in particular to a box body position-limiting device and a box body. Background technique [0002] The split box structure is widely used in various industries. In the automotive industry, such as air filters, air conditioner filters, relay boxes, etc., the upper and lower box structures are used to facilitate disassembly and maintenance. [0003] Some boxes, such as air filters and cabin filters, have filter elements inside, so it is necessary to ensure their tightness. The split box body in the prior art is usually sealed by means of clamping ring clamping or bolt tightening. [0004] For the clamping method of the clamping ring, a clamping groove is provided on the box body, and the clamping spring cooperates with the clamping groove to realize the sealing between the upper and lower box bodies. However, after the clamping spring is separated from the clampin...

AI Technical Summary

Problems solved by technology

[0004] For the clamping method of the clamping ring, a clamping groove is provided on the box body, and the clamping spring cooperates with the clamping groove to realize the sealing between the upper and lower box bodies. However, after the clamping spring is separated from the clamping groove, the The circlip is easy to interfere and scratch with the surrounding parts, and the circlip is also easy to fall off

[0005] For the bolt tightening method, the installation and disassembly time is long, and tools are needed during the disassembly process, which makes the disassembly convenience poor

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