Built-in device connecting structure of oil tank

Abstract

The utility model relates to the technical field of oil tank built-in device manufacturing, in particular to an oil tank built-in device connecting structure. Comprising a pair of connecting bodies, the connecting bodies are a bonding pad and a device shell respectively, and a welding component is arranged at the top of the bonding pad; the connecting components are oppositely arranged; the connecting component on one connecting main body comprises a locking groove, and the connecting component on the other connecting main body opposite to the locking groove comprises an insertion plate; the locking groove comprises a clamping groove and a one-way locking plate, the clamping groove transversely extends, an opening is formed in one side of the extending end of the clamping groove, the one-way locking plate is arranged on the outer side of the opening position of the clamping groove, and the thickness of the inserting plate is matched with the width of the clamping groove; the connecting component on one connecting body comprises a clamping protrusion, a limiting face is arranged on the clamping protrusion, and the connecting component on the other connecting body opposite to the clamping protrusion comprises a limiting wall. The connecting structure has the advantage of being good in locking effect, and the risk of connection failure of an existing connecting structure can be effectively avoided.

Description

TECHNICAL FIELD

[0001] The utility model relates to oil tank built-in device manufacturing technical field, concretely relates to a kind of oil tank built-in device connecting structure. BACKGROUND

[0002] Fuel-driven transport vehicle (such as car), it needs to set several devices in oil tank to ensure that oil tank function is stable, the connecting form of existing oil tank internal device and oil tank adopts the soldering pad with buckle, soldering pad is welded in the top of oil tank inner chamber, and the buckle on the soldering pad is vertically clamped with the device shell to connect the device in the oil tank. However, the corresponding card slot of longitudinal connecting buckle needs to let the convex part of the front end of the buckle first pass through, so the opening of the card slot is often larger than the connecting plate on the upper end of the buckle. But in the process of welding the soldering pad and the oil tank, the connecting plate will deform due to heat, and since the opening of the card slot is larger than the connecting plate, the space for the deformation of the connecting plate is released, resulting in that the buckle and the card slot edge are clamped too loosely after connection, and there is a risk of connection failure. SUMMARY

[0003] In order to overcome the above-mentioned deficiencies of the prior art, the utility model provides an oil tank built-in device connecting structure, which has the advantages of good locking effect and can effectively avoid the risk of connection failure of the existing connecting structure.

[0004] In order to achieve the above-mentioned purpose, the utility model is realized by the following technical scheme:

[0005] An oil tank built-in device connecting structure comprises:

[0006] A pair of connecting bodies, the pair of connecting bodies are respectively soldering pad and device shell, the top of the soldering pad is provided with soldering member, and the soldering member is melted and connected with the top of the oil tank after the soldering pad is heated during use;

[0007] Oppositely arranged connecting members, the opposite connecting members are arranged on the pair of connecting bodies, and the opposite connecting members are interlocked to realize the connection of the device shell to the lower end of the soldering pad;

[0008] The connecting member on one of the connecting bodies comprises a lock slot, and the connecting member on the other connecting body opposite to it comprises a plug plate; the lock slot comprises a card slot and a one-way lock piece, the card slot extends horizontally and has an opening on one side of the extending end, the one-way lock piece is arranged outside the opening position of the card slot, and the thickness of the plug plate is adapted to the width of the card slot;

[0009] The connecting member on one of the connecting bodies comprises a card convex, and the card convex is provided with a limiting surface, and the connecting member on the other connecting body opposite to it comprises a limiting wall;

[0010] In the connecting process, the device shell and the welding pad are longitudinally abutted, the longitudinal positions of the insertion plate and the clamping slot and the limiting surface and the limiting wall correspond to each other, the insertion plate is arranged on the side of the one-way locking sheet away from the clamping slot, the clamping convex and the limiting wall are transversely spaced, the welding pad and the device shell are transversely moved to the insertion plate passing through the one-way locking sheet into the clamping slot, and the limiting surface and the limiting wall are longitudinally attached to each other, at this time, the one-way locking sheet is used to limit the transverse movement of the insertion plate out of the clamping slot to realize the transverse locking of the welding pad and the device shell, and the limiting surface and the limiting wall are used to limit the longitudinal separation of the welding pad and the device shell.

[0011] Further, the oil tank built-in device connection structure in the application, the welding member includes a group of arrayed protrusions.

[0012] Further, the oil tank built-in device connection structure in the application, the clamping convex is integrally connected to the outer end of the insertion plate, and further includes a clamping slot limiting plate, the clamping slot and the limiting wall are arranged on the clamping slot limiting plate, the limiting wall is a side wall corresponding to one side of the clamping slot in the extension direction, and the clamping slot limiting plate is arranged on the corresponding connection main body. As a preferred scheme of the application, that is, the clamping convex and the insertion plate, and the clamping slot and the limiting wall are integrally arranged, which has the advantage of simple structure compared with separate arrangement.

[0013] Further, the oil tank built-in device connection structure in the application, in the connecting process, the position of the one-way locking sheet corresponds to that of the clamping convex, and the one-way locking sheet limits the transverse movement of the insertion plate out of the clamping slot by abutting against the clamping convex. As a preferred scheme of the application, because the side of the insertion plate is relatively narrow, it is easy to slip if the one-way locking sheet abuts against the side of the insertion plate, and the side of the clamping convex is relatively wide, which can easily ensure the limiting.

[0014] Further, the oil tank built-in device connection structure in the application, the insertion plate and the clamping convex are arranged on the welding pad, and the locking slot and the limiting wall are arranged on the device shell.

[0015] Further, the oil tank built-in device connection structure in the application further includes a limiting frame, the limiting frame is internally provided with an insertion slot, the insertion slot is arranged on the side of the one-way locking sheet away from the clamping slot, and the insertion slot is open on the side of the one-way locking sheet. As a preferred scheme of the application, in the connecting process, the insertion plate is first longitudinally inserted into the insertion slot to realize positioning before transverse movement, and then transversely moves from the insertion slot into the one-way locking sheet through the clamping slot.

[0016] Further, the oil tank built-in device connection structure in the application, the connection member is arranged on both sides of the corresponding connection main body. As a preferred scheme of the application, to ensure the stability of the connection.

[0017] Further, the oil tank built-in device connection structure in the application, a plurality of groups of connection members are arranged in the extension direction of the clamping slot. As a preferred scheme of the application, to further improve the stability of the connection.

[0018] Further, the oil tank built-in device connecting structure in the application is characterized in that, in the longitudinal projection, the root of the one-way locking sheet is arranged at one side of the clamping groove, and the one-way locking sheet is arranged to extend obliquely towards the opening end of the clamping groove.

[0019] Further, the oil tank built-in device connecting structure in the application is characterized in that, the side wall of the opening end of the clamping groove is provided with a guide slope; the guide slope extends towards the outside and the side of the clamping groove, and the guide slope is arranged at the opposite side of the one-way locking sheet. As a preferred scheme of the application, based on the above structure, when the plugboard enters the clamping groove, the side of the one-way locking sheet away from the clamping groove and the guide slope are respectively used to correct the deformation of the plugboard towards the two sides of the clamping groove.

[0020] The above technical scheme can achieve the following beneficial effects:

[0021] The oil tank built-in device connecting structure provided by the application realizes the horizontal entry of the plugboard into the clamping groove by adopting the mode of longitudinal resistance positioning and then horizontal movement locking, the plugboard is horizontally locked by the one-way locking sheet, and the clamping convex and the limiting wall are vertically interlocked to limit the vertical separation of the solder pad and the device shell. The width of the clamping groove is adapted to the thickness of the plugboard, and the connecting structure has the advantages of good locking effect and can effectively avoid the risk of connection failure of the existing connecting structure. BRIEF DESCRIPTION OF DRAWINGS

[0022] Figure 1 It is a plan view of the solder pad and the device shell connected in the embodiment of the application;

[0023] Figure 2 It is a plan view of the device shell in the embodiment of the application;

[0024] Figure 3 It is Figure 2 It is a local enlarged view of the circle A region in the embodiment of the application;

[0025] Figure 4 It is a structural schematic view of the solder pad in the embodiment of the application;

[0026] Figure 5 It is Figure 1 It is a sectional view in the A-A direction;

[0027] Figure 6 It is Figure 5 It is a local enlarged view of the circle B region in the embodiment of the application.

[0028] In the figure: 1-solder pad; 11-convex point; 2-device shell; 31-locking groove; 311-clamping groove; 3111-guide slope; 312-one-way locking sheet; 32-plugboard; 33-clamping convex; 330-limiting surface; 34-limiting wall; 35-clamping groove limiting plate; 36-limiting frame; 360-putting-in groove. DETAILED DESCRIPTION

[0029] Combination Figures 1 to 6 The oil tank built-in device connection structure shown in the figure comprises:

[0030] A pair of connection bodies, the pair of connection bodies are a solder pad 1 and a device shell 2 respectively, the solder pad 1 is provided with a soldering member at the top, and the solder pad 1 is heated during use to make the soldering member melt and connect with the top of the oil tank;

[0031] Oppositely arranged connection members, the oppositely arranged connection members are arranged on the pair of connection bodies respectively, and the oppositely arranged connection members are interlocked to realize the connection of the device shell 2 to the lower end of the solder pad 1;

[0032] The connection member on one of the connection bodies comprises a lock groove 31, and the connection member on the other of the connection bodies comprises an insertion plate 32 in opposition thereto; the lock groove 31 comprises a clamping groove 311 and a one-way locking piece 312, the clamping groove 311 extends horizontally and is open on one side of the extending end, the one-way locking piece 312 is arranged outside the opening position of the clamping groove 311, and the thickness of the insertion plate 32 is adapted to the width of the clamping groove 311;

[0033] The connection member on one of the connection bodies comprises a clamping convex 33, and the clamping convex 33 is provided with a limiting surface 330, and the connection member on the other of the connection bodies comprises a limiting wall 34 in opposition thereto;

[0034] During connection, the device shell 2 and the solder pad 1 are longitudinally abutted, the longitudinal positions of the insertion plate 32, the clamping groove 311, the limiting surface 330 and the limiting wall 34 correspond to each other, the insertion plate 32 is arranged on the side of the one-way locking piece 312 away from the clamping groove 311, the clamping convex 33 and the limiting wall 34 are horizontally separated, the solder pad 1 and the device shell 2 are horizontally moved relative to each other to make the insertion plate 32 pass through the one-way locking piece 312 and enter the clamping groove 311, and the limiting surface 330 and the limiting wall 34 are longitudinally attached to each other, at this time, as shown in the figure, the one-way locking piece 312 is used to limit the insertion plate 32 from moving out of the clamping groove 311 horizontally to realize the horizontal locking of the solder pad 1 and the device shell 2, and the limiting surface 330 and the limiting wall 34 are used to limit the longitudinal separation of the solder pad 1 and the device shell 2. Figure 6

[0035] A plurality of devices need to be arranged in the oil tank of a vehicle to control the air pressure of the oil tank, and the existing connection form of the internal device of the oil tank and the oil tank adopts a solder pad with a buckle, the solder pad is welded to the top of the inner cavity of the oil tank, and the device shell is longitudinally clamped with the buckle on the solder pad to connect the device to the oil tank. However, the corresponding clamping groove of the longitudinal connection buckle needs to let the convex part at the front end of the buckle pass through first, so the opening of the clamping groove is often larger than the connecting plate at the upper end of the buckle. However, during the welding of the solder pad and the oil tank, the connecting plate will deform due to heat, and since the opening of the clamping groove is larger than the connecting plate, the space for the deformation of the connecting plate is released, resulting in loose clamping of the buckle and the edge of the clamping groove after connection, and there is a risk of connection failure.

[0036] ​Based on the above structure, a kind of oil tank built-in device connection structure its principle is: using the way of first longitudinal resistance positioning then transverse locking to realize that plug-in board 32 enters card slot 311 transversely, the plug-in board 32 is locked by one-way lock piece 312 transversely, card convex 33 and limiting wall 34 are interlocked longitudinally to limit that pad 1 and device shell 2 are separated longitudinally.

[0037] In the embodiment, the soldering member includes a plurality of arrayed protrusions 11.

[0038] In the embodiment, the card convex 33 is integrally connected to the outer end of the plug-in board 32, and further includes a card slot limiting plate 35, the card slot 311 is arranged on the card slot limiting plate 35, the limiting wall 34 is arranged on the end face of the card slot limiting plate 35, and the card slot limiting plate 35 is arranged on the corresponding connection body.

[0039] That is, the card convex 33 and the plug-in board 32, the card slot 311 and the limiting wall 34 are integrally arranged, which has the advantage of simple structure compared with separate arrangement.

[0040] In the embodiment, the one-way lock piece 312 corresponds to the position of the card convex 33 during connection, and the one-way lock piece 312 limits the plug-in board 32 from moving out of the card slot 311 by abutting against the card convex 33.

[0041] Since the side of the plug-in board 32 is narrow, if the one-way lock piece 312 abuts against the side of the plug-in board 32, it is easy to slip, while the side of the card convex 33 is wide, which can ensure limiting.

[0042] In the embodiment, the plug-in board 32 and the card convex 33 are arranged on the pad 1, and the lock slot 31 and the limiting wall 34 are arranged on the device shell 2. In other embodiments, the plug-in board 32 and the limiting wall 34 are arranged on the pad 1, and correspondingly, the lock slot 31 and the card convex 33 are arranged on the device shell 2. Of course, it also includes the case that the corresponding connection body of the connection member is reversed.

[0043] In combination Figure 3 As shown in the figure, in the embodiment, a limiting frame 36 is further included, the limiting frame 36 is provided with an insertion slot 360, the insertion slot 360 is arranged on the side of the one-way lock piece 312 away from the card slot 311, and the insertion slot 360 is open to the side of the one-way lock piece 312.

[0044] During connection, the plug-in board 32 is first longitudinally inserted into the insertion slot 360 to realize positioning before transverse movement, and then transversely moves from the insertion slot 360 to the card slot 311 and enters the one-way lock piece 312. In the embodiment, the pad 1 abuts against the end face of the limiting frame 36 to realize longitudinal positioning of the pad 1 and the device shell 2.

[0045] In the embodiment, the connecting member is arranged on both sides of the corresponding connecting body, so as to ensure the stability of the connection.

[0046] In the embodiment, a plurality of groups of connecting members are arranged at intervals in the extension direction of the card slot 311, so as to further improve the stability of the connection.

[0047] Specifically, the number of the arranged groups is 2.

[0048] In the embodiment, in the longitudinal projection, the root of the one-way locking piece 312 is arranged on one side of the card slot 311, and the one-way locking piece 312 is arranged to extend obliquely towards the opening end of the card slot 311.

[0049] In the embodiment, the side wall of the opening end of the card slot 311 is provided with a guide slope 3111; the guide slope 3111 is arranged to extend towards the outside and the side of the card slot 311, and the guide slope 3111 is arranged on the opposite side of the one-way locking piece 312.

[0050] Based on the above structure, when the plug-in board 32 enters the card slot 311, the side surface of the one-way locking piece 312 away from the card slot 311 and the guide slope 3111 are respectively used to correct the deformation of the plug-in board 32 towards the two sides of the card slot 311.

[0051] The technical principle of the utility model is described above in combination with specific embodiments, and these descriptions are only for explaining the principle of the utility model, and cannot be explained as the limitation of the protection scope of the utility model in any way. Based on the explanation herein, the person skilled in the art can think of other specific embodiments of the utility model without creative labor, and these embodiments will fall within the protection scope of the utility model.

Claims

1. An oil tank built-in device connection structure, comprising: a pair of connection bodies, the pair of connection bodies being a solder pad (1) and a device shell (2) respectively, the solder pad (1) being provided with a soldering component at the top; oppositely arranged connection components, the oppositely arranged connection components being arranged on the pair of connection bodies respectively, the oppositely arranged connection components being interlocked to realize that the device shell (2) is connected to the lower end of the solder pad (1); characterized in that: the connection component on one of the connection bodies comprises a lock slot (31), and the connection component on the other of the connection bodies comprises an insertion plate (32) in opposition to the lock slot (31); the lock slot (31) comprises a clamping groove (311) and a one-way lock piece (312), the clamping groove (311) extends horizontally and is open on one side of the extending end, the one-way lock piece (312) is arranged outside the opening position of the clamping groove (311), and the thickness of the insertion plate (32) is adapted to the width of the clamping groove (311); the connection component on one of the connection bodies comprises a clamping convex (33) provided with a limiting surface (330), and the connection component on the other of the connection bodies comprises a limiting wall (34) in opposition to the limiting surface (330); when connected, the device shell (2) and the solder pad (1) are longitudinally abutted, the insertion plate (32) corresponds to the longitudinal positions of the clamping groove (311), the limiting surface (330) and the limiting wall (34), the insertion plate (32) is placed on the side of the one-way lock piece (312) away from the clamping groove (311), the clamping convex (33) and the limiting wall (34) are horizontally separated, the solder pad (1) and the device shell (2) are horizontally moved relative to each other to the position that the insertion plate (32) enters the clamping groove (311) through the one-way lock piece (312), the limiting surface (330) and the limiting wall (34) are longitudinally attached, at this time, the one-way lock piece (312) is used to limit the insertion plate (32) from moving out of the clamping groove (311) horizontally, and the limiting surface (330) and the limiting wall (34) are used to limit the solder pad (1) and the device shell (2) from separating longitudinally.

2. The structure for connecting an in-tank device to an oil tank according to claim 1, characterized in that: The soldering component comprises a group of arrayed protrusions (11).

3. The structure for connecting an in-tank device to an oil tank according to claim 1, characterized in that: The clamping convex (33) is integrally connected to the outer end of the insertion plate (32), further comprises a clamping groove limiting plate (35), the clamping groove (311) is arranged on the clamping groove limiting plate (35), the limiting wall (34) is arranged on the end face of the clamping groove limiting plate (35), and the clamping groove limiting plate (35) is arranged on the corresponding connection body.

4. The structure for connecting an in-tank device to an oil tank according to claim 1, characterized in that: When connected, the position of the one-way lock piece (312) corresponds to the position of the clamping convex (33), and the one-way lock piece (312) limits the insertion plate (32) from moving out of the clamping groove (311) horizontally by abutting against the clamping convex (33).

5. The structure for connecting an in-tank device to an oil tank according to claim 1, characterized in that: The insertion plate (32) and the clamping convex (33) are arranged on the solder pad (1), and the lock slot (31) and the limiting wall (34) are arranged on the device shell (2).

6. The structure for connecting an in-tank device to an oil tank according to claim 1, characterized in that: Further comprising a limiting frame (36), the limiting frame (36) is provided with an insertion groove (360) therein, the insertion groove (360) is arranged on the side of the one-way lock piece (312) away from the clamping groove (311), and the insertion groove (360) is open on the side of the one-way lock piece (312).

7. The structure for connecting an in-tank device to an oil tank according to claim 1, characterized in that: The connection components are arranged on both sides of the corresponding connection bodies in pairs.

8. The structure for connecting an in-tank device to an oil tank according to claim 1, characterized in that: A plurality of groups of connection components are arranged in the extending direction of the clamping groove (311) at intervals.

9. The structure for connecting an in-tank device to an oil tank according to claim 1, characterized in that: The root of the one-way lock piece (312) is arranged at one side of the clamping groove (311) in the longitudinal projection, and the one-way lock piece (312) is arranged to extend obliquely towards the opening end of the clamping groove (311).

10. The structure for connecting an in-tank device to an oil tank according to claim 9, characterized in that: The side wall of the opening end of the clamping groove (311) is provided with a guide slope (3111); the guide slope (3111) extends towards the outside and the side of the clamping groove (311), and the guide slope (3111) is arranged at the opposite side of the one-way lock piece (312).

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