CN219617619U - Limiting sleeve with variable aperture and hole depth - Google Patents

Abstract

The utility model discloses a variable aperture and hole depth limiting sleeve, which relates to the technical field of lithium ion batteries and comprises an outer sleeve, wherein an inner sleeve is arranged in the outer sleeve, one end of the inner sleeve extends out of the outer sleeve, a connecting rod is arranged in the inner sleeve, one end of the connecting rod extends out of the inner sleeve, a limiting piece is arranged on the connecting rod, an elastic piece is arranged between one end of the outer sleeve and the limiting piece, the limiting piece is used for adjusting the distance between the limiting piece and the outer sleeve, the outer sleeve is pressed down by the elastic piece to leak out of the inner sleeve to realize aperture switching, and meanwhile, the hole depth can be adjusted by increasing or reducing a plurality of small gasket assemblies on the connecting rod to switch the caliber of the sleeve, so that the operation of frequently switching the caliber of the sleeve is not needed in different assembling processes of electric assembly bolts, the temporary stop frequency in production is reduced, and the efficiency of a certain production line is improved.

Description

Limiting sleeve with variable aperture and hole depth

Technical Field

The utility model relates to the technical field of lithium ion batteries, in particular to a limiting sleeve with variable aperture and hole depth.

Background

A lithium ion battery is a secondary battery (rechargeable battery) that operates mainly by means of lithium ions moving between a positive electrode and a negative electrode. Li+ is inserted and extracted back and forth between the two electrodes during charge and discharge: during charging, li+ is deintercalated from the positive electrode, and is inserted into the negative electrode through the electrolyte, and the negative electrode is in a lithium-rich state; the opposite is true when discharging.

At present, most of lithium ion battery assembly is fixed by using bolts and nuts, and the sleeve caliber is required to be frequently switched to operate in the assembly process of different electric component bolt types, so that the sleeve caliber is frequently switched due to frequent temporary pause in production, and the efficiency of a certain production line is reduced.

Disclosure of Invention

In order to solve the technical problems in the background technology, the utility model provides a limiting sleeve with variable aperture and hole depth.

The utility model provides a limiting sleeve with a variable aperture and a variable depth of an aperture, which comprises an outer sleeve, wherein an inner sleeve is arranged in the outer sleeve, one end of the inner sleeve extends out of the outer sleeve, a connecting rod is arranged in the inner sleeve, one end of the connecting rod extends out of the inner sleeve, a limiting piece is arranged on the connecting rod, an elastic piece is arranged between one end of the outer sleeve and the limiting piece, and the limiting piece is used for adjusting the distance between the limiting piece and the outer sleeve.

Preferably, the elastic element is located between the limiting element and the outer sleeve.

Preferably, the limiting piece comprises a fixing nut, the fixing nut is sleeved on the connecting rod, a large limiting gasket is arranged on the connecting rod, one side of the large limiting gasket is contacted with the fixing nut, and the other side of the large limiting gasket is contacted with the elastic piece.

Preferably, the connecting rod is provided with external threads for adjusting the position of the fixing nut.

Preferably, the connecting rod extends to and installs on the one end of inner skleeve with inner skleeve inner wall assorted head, form between periphery, inner skleeve inner wall and the head of connecting rod and hold the chamber, the periphery of connecting rod just is located and holds the intracavity endotheca and is equipped with the hindrance piece, and the hindrance piece is used for adjusting the hole depth that holds the chamber.

Preferably, the blocking member is a plurality of small gasket assemblies sleeved on the connecting rod, and the hole depth is adjusted by increasing or decreasing the number of the small gasket assemblies.

According to the variable aperture and hole depth limiting sleeve, the outer sleeve is pressed down through the elastic piece to leak out of the inner sleeve to realize aperture switching, meanwhile, the small gasket assemblies on the connecting rod can be increased or reduced to realize aperture depth adjustment, and the caliber of the sleeve is switched, so that the sleeve caliber is not required to be frequently switched to operate in the assembling process of different electric assembly bolt types, the temporary pause frequency in production is reduced, and the efficiency of a certain production line is improved.

Additional aspects and advantages of the utility model will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the utility model.

Drawings

FIG. 1 is a cross-sectional view of the structure of the present utility model;

FIG. 2 is an exploded view of the structure of the present utility model;

FIG. 3 is a schematic view of the structure of the connecting rod and the blocking member of the present utility model;

fig. 4 is a schematic structural diagram of a positioning slot according to the present utility model.

In the figure, 1, an outer sleeve; 2. an inner sleeve; 3. a connecting rod; 4. a small gasket assembly; 5. an elastic member; 6. limiting a large gasket; 7. a fixing nut; 8. a buckle; 9. and positioning the clamping groove.

Detailed Description

Embodiments of the present utility model are described in detail below, examples of which are illustrated in the accompanying drawings, wherein like or similar symbols indicate like or similar elements or elements having like or similar functions throughout. The embodiments described below by referring to the drawings are exemplary only for explaining the present utility model and are not to be construed as limiting the present utility model.

It is to be understood that the terms "center," "longitudinal," "transverse," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counter-clockwise," "axial," "radial," "circumferential," and the like are directional or positional relationships as indicated based on the drawings, merely to facilitate describing the utility model and to simplify the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be configured and operated in a particular orientation, and therefore should not be construed as limiting the utility model.

Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In the description of the present utility model, the meaning of "plurality" means at least two, for example, two, three, etc., unless specifically defined otherwise.

In the present utility model, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; may be mechanically connected, may be electrically connected or may be in communication with each other; either directly or indirectly, through intermediaries, or both, may be in communication with each other or in interaction with each other, unless expressly defined otherwise. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.

In the present utility model, unless expressly stated or limited otherwise, a first feature "up" or "down" a second feature may be the first and second features in direct contact, or the first and second features in indirect contact via an intervening medium. Moreover, a first feature being "above," "over" and "on" a second feature may be a first feature being directly above or obliquely above the second feature, or simply indicating that the first feature is level higher than the second feature. The first feature being "under", "below" and "beneath" the second feature may be the first feature being directly under or obliquely below the second feature, or simply indicating that the first feature is less level than the second feature.

The aperture and hole depth variable limiting sleeve shown in fig. 1-4 comprises an outer sleeve 1, an inner sleeve 2 is arranged in the outer sleeve 1, one end of the inner sleeve 2 extends out of the outer sleeve 1, the other end of the inner sleeve 2 is left in the outer sleeve 1, the inner sleeve 2 can slide out of one end of the outer sleeve 1 along the inner wall of the outer sleeve 1, a connecting rod 3 is arranged in the inner sleeve 2, one end of the connecting rod 3 extends out of the inner sleeve 2, a limiting piece is arranged on the connecting rod 3, an elastic piece 5 is arranged between one end of the outer sleeve 1 and the limiting piece, the elastic piece 5 is positioned between the limiting piece and the outer sleeve 1, the elastic piece 5 is one of a spring or an elastic rod, and the limiting piece is used for adjusting the distance between the limiting piece and the outer sleeve 1, and meanwhile, the outer sleeve 1 can be leaked out of the inner sleeve 2 through the downward pressing of the elastic piece 5 to realize aperture switching.

The limiting piece comprises a fixing nut 7, the fixing nut 7 is sleeved on the connecting rod 3, a large limiting gasket 6 is arranged on the connecting rod 3, one side of the large limiting gasket 6 is contacted with the fixing nut 7, the other side of the large limiting gasket 6 is contacted with the elastic piece 5, an external thread is arranged on the connecting rod 3, the fixing nut 7 rotates along the external thread arranging direction on the connecting rod 3, namely, the position of the fixing nut 7 is adjustable on the external thread;

the connecting rod 3 extends to and installs on the one end of inner skleeve 2 with inner skleeve 2 inner wall assorted head, forms between the periphery of connecting rod 3, inner skleeve 2 inner wall and the head and holds the chamber, and the periphery of connecting rod 3 just is located and holds the chamber endotheca and is equipped with the hindrance spare, and the hindrance spare is used for adjusting the hole depth that holds the chamber.

The blocking piece is a plurality of small gasket assemblies 4 sleeved on the connecting rod 3, and the hole depth is adjusted by increasing or decreasing the number of the small gasket assemblies 4.

The obstruction is not yet an existing obstruction component, such as a threaded telescoping rod, that can achieve telescoping control of the depth of the receiving cavity in the prior art.

The inner sleeve is provided with a buckle, the front side of the outer sleeve 1 is provided with a positioning clamping groove 9 which is connected with the inner sleeve 2, the buckle 8 is fixed with the positioning clamping groove 9 through downward pressing rotation, the switching and the fixing of the first aperture are realized, the rear end of the outer sleeve 1 is connected with an elastic piece 5, and the switching of the second aperture is realized through upward rotating rebound.

According to the proposed variable aperture and hole depth limiting sleeve, the outer sleeve 1 is pressed down by the elastic piece 5 to leak out of the inner sleeve 2 to realize aperture switching, meanwhile, the hole depth can be regulated by increasing or reducing the small gasket assemblies 4 on the connecting rod 3, and the caliber of the sleeve is switched, so that the sleeve caliber is not required to be frequently switched to operate in the different assembling processes of the electric assembly bolt types, the temporary pause frequency in production is reduced, and the efficiency of a certain production line is improved.

The foregoing is only a preferred embodiment of the present utility model, but the scope of the present utility model is not limited thereto, and any person skilled in the art, who is within the scope of the present utility model, should make equivalent substitutions or modifications according to the technical scheme of the present utility model and the inventive concept thereof, and should be covered by the scope of the present utility model.

Claims (6)

1. The utility model provides a variable aperture and hole depth limit sleeve, its characterized in that, includes outer sleeve (1), be equipped with inner skleeve (2) in outer sleeve (1), outer sleeve (1) is extended to the one end of inner skleeve (2), be equipped with connecting rod (3) in inner skleeve (2), inner skleeve (2) is extended to the one end of connecting rod (3), be equipped with the locating part on connecting rod (3), be equipped with elastic component (5) between one end of outer sleeve (1) and the locating part, the locating part is used for adjusting the distance of elastic component (5) between locating part and outer sleeve (1).

2. A variable aperture and depth stop sleeve according to claim 1, characterized in that the elastic member (5) is located between the stop member and the outer sleeve (1).

3. The variable aperture and hole depth limiting sleeve according to claim 1, wherein the limiting piece comprises a fixing nut (7), the fixing nut (7) is sleeved on the connecting rod (3), a limiting large gasket (6) is arranged on the connecting rod (3), one side of the limiting large gasket (6) is in contact with the fixing nut (7), and the other side of the limiting large gasket (6) is in contact with the elastic piece (5).

4. A variable aperture and depth stop sleeve according to claim 3, characterized in that the connecting rod (3) is provided with external threads for adjusting the position of the fixing nut (7).

5. The variable aperture and hole depth limiting sleeve according to claim 1, wherein a seal head matched with the inner wall of the inner sleeve (2) is installed on one end of the connecting rod (3) extending to the inner sleeve (2), a containing cavity is formed among the periphery of the connecting rod (3), the inner wall of the inner sleeve (2) and the seal head, a blocking piece is arranged on the periphery of the connecting rod (3) and located in the containing cavity in a sleeved mode, and the blocking piece is used for adjusting the hole depth of the containing cavity.

6. The variable aperture and depth limiting sleeve of claim 5, wherein the blocking member is a plurality of small spacer assemblies (4) sleeved on the connecting rod (3), and the adjustment of the depth of the aperture is achieved by increasing or decreasing the number of small spacer assemblies (4).