CN217029894U - Gearbox with liquid level detection device - Google Patents

Abstract

The utility model belongs to the technical field of the gearbox and specifically relates to a gearbox with liquid level detection device is related to, be in including gearbox oil pan and setting liquid level detection device on the gearbox oil pan, the overflow mouth has been seted up to gearbox oil pan bottom, liquid level detection device is including dismantling to be connected on the gearbox oil pan and with the sense tube of overflow mouth intercommunication and be used for the shutoff stifled cap of overflow mouth circulation state. This application has the error that can reduce when detecting fluid when trading oil to the gearbox, the effect of convenience when improving the detection fluid.

Description

Gearbox with liquid level detection device

Technical Field

The application relates to the field of gearboxes, in particular to a gearbox with a liquid level detection device.

Background

In the automobile, besides the great importance of the engine, the gearbox is also a large important part of the automobile, and the good gearbox can ensure that people can more smoothly drive and shift gears; meanwhile, the later maintenance cost can be reduced. However, the transmission and the engine require oil for lubrication, so the transmission oil has a shelf life as well as engine oil, and needs to be checked and replaced regularly.

At present when changing gearbox oil, at first discharge the old oil in the gearbox, then with new oil injection gearbox in, when injecting new oil into gearbox, need control the oil mass that flows in the gearbox. At present when detecting the oil mass of pouring into in the gearbox, usually when the oil is poured into to the nearly time, insert the gearbox with the dipstick usually in, through looking the scale on the dipstick to judge the position of pouring into oil, it is very troublesome to detect, and the error is great.

SUMMERY OF THE UTILITY MODEL

In order to reduce the error when detecting fluid, the convenience when improving the detection fluid, this application provides a gearbox with liquid level detection device.

The application provides a gearbox with liquid level detection device adopts following technical scheme:

the utility model provides a gearbox with liquid level detection device, is in including gearbox oil pan and setting liquid level detection device on the gearbox oil pan, the overflow mouth has been seted up to gearbox oil pan bottom, liquid level detection device including can dismantle the connection on the gearbox oil pan and with the sense tube of overflow mouth intercommunication and be used for the shutoff the stifled cap of overflow mouth circulation state.

Through adopting above-mentioned technical scheme, during the use, can be according to the height of the fluid that the gearbox needs injected, select the test tube of suitable length to install on the gearbox oil pan, then to the oiling in the gearbox, when fluid in the gearbox reachs to set for after high continuation to the oiling in the gearbox, fluid will cross the one end that the gearbox was kept away from to through the test tube from the overflow mouth outflow, prove that the fluid in the gearbox reaches the setting value this moment. The gearbox oil change work can be accomplished directly through the shutoff of stifled cap with the overflow mouth shutoff, and whether direct fluid that just can detect out in the gearbox targets in place, need not the circulation and judges through the dipstick, and the error when having significantly reduced judgement fluid has improved the convenience when detecting fluid.

Optionally, the liquid level detection device still includes the rigid coupling is in installation pipe, the setting of overflow mouth inner wall department are in the installation pipe with first coupling assembling and setting between the detection tube are in stifled cap with second coupling assembling between the installation pipe.

Through adopting above-mentioned technical scheme, can realize installing dismantling of pipe and detecting tube through first connecting assembly and be connected, be convenient for select the detecting tube of suitable length to install on the gearbox body according to the automobile model not. Can realize through second coupling assembling that the dismantlement of stifled cap and installation pipe is connected, be convenient for realize the dismouting of stifled cap to control overflow mouth circulation or shutoff.

Optionally, first connecting element includes the rigid coupling and is in stopper on the installation pipe outer wall, the test tube orientation a plurality of breachs have been seted up to the one end of installation pipe, form the elastic plate between two adjacent breachs, the confession has been seted up on the elastic plate the spacing groove of stopper embedding, the stopper is kept away from one side of gearbox oil pan is the inclined plane.

Through adopting above-mentioned technical scheme, when needs installation test tube, the one end orientation installation pipe and the cover that directly offer the breach with the test tube are established on the installation pipe, and the elastic plate will slide to the stopper along the inclined plane of stopper this moment on, slide to the spacing inslot until the stopper to fix, the distance between test tube and the installation pipe realizes the installation of test tube.

Optionally, the first connecting assembly further includes a support bar fixedly connected to the side wall of the mounting tube, and when the limiting block is embedded into the limiting groove, the end of the detecting tube abuts against the support bar.

By adopting the technical scheme, when the detection tube is installed on the installation tube, the limiting block slides to the limiting groove, the end part of the detection tube abuts against the supporting bar, so that the axial distance of the detection tube is fixed, and the installation stability of the detection tube is ensured.

Optionally, first connection assembly includes the rigid coupling and is in guide bar on the installation pipe outer wall, the detection tube orientation the confession has been seted up to the one end of installation pipe the guide way of guide bar embedding.

Through adopting above-mentioned technical scheme, when operation detection tube cover was established on the installation pipe, the guide strip also slided to the guide way in, can play the effect of direction to the detection tube, the circumferential position of detection tube also can be fixed to the setting of guide strip and guide way simultaneously.

Optionally, stifled cap with the cooperation of pegging graft of installation intraductal hole, second coupling assembling includes the rigid coupling and is in fixed plate, rigid coupling on the installation intraductal wall are in baffle, the rigid coupling of stifled cap one end are in connecting rod and the rigid coupling of the stifled cap other end are in limiting plate on the connecting rod lateral wall works as the baffle with when the one end laminating of installation pipe bit in the gearbox oil pan outside, the limiting plate is located the fixed plate is kept away from one side of baffle.

Through adopting above-mentioned technical scheme, when the stifled cap of needs installation, during direct one side that will stifled cap installation baffle inserted the installation pipe, until the baffle with install the one end laminating that the pipe is located the deformation box outside, the limiting plate will be located the one side that the baffle was kept away from to the fixed plate this moment, then rotatory stifled cap can rotate the limiting plate to the fixed plate towards the inside one side of gearbox body and with the fixed plate laminating to fix the position of stifled cap in the overflow mouth.

Optionally, the fixing plates are arranged around the axis of the mounting pipe at intervals, the number of the limiting plates is two, and the two limiting plates are respectively located on two opposite sides of the connecting rod.

Through adopting above-mentioned technical scheme, through the cooperation of two fixed plates and two limiting plates, can fix the position of the relative both sides of stifled cap, guarantee the installation stability of stifled cap.

Optionally, a butt plate is fixedly connected to one side of the fixed plate and used for limiting the position of the limiting plate on the fixed plate.

Through adopting above-mentioned technical scheme, when the operation limiting plate slides to the fixed plate on, when limiting plate one side and butt board butt, stop to twist soon stifled cap, avoid the limiting plate to screw out from the fixed plate opposite side.

Optionally, a sealing ring is arranged on the outer wall of the blocking cap.

Through adopting above-mentioned technical scheme, when installing stifled cap in the installation pipe, the sealing washer is located stifled cap and installation between the pipe to guarantee the leakproofness of overflow mouth, reduce this internal fluid of gearbox and flow from the overflow mouth.

Optionally, the baffle is kept away from the one end of stifled cap is seted up and is supplied external instrument male operation groove, the operation groove set up extremely on the stifled cap, the cross-section in operation groove is the non-normal circular shape.

Through adopting above-mentioned technical scheme, when installing stifled cap on the installation pipe or when pulling down stifled cap from the installation pipe, can insert the operation inslot with the help of external instrument, it is rotatory to drive stifled cap through external instrument, and the operation is convenient laborsaving more.

In summary, the present application includes at least one of the following beneficial technical effects:

the overflow port can be sealed through the detection tube, when the height of oil in the gearbox body is lower than one end, far away from an oil pan of the gearbox, of the detection tube, the oil can be normally injected into the gearbox body, and when the height of the oil in the gearbox body is higher than the free end of the detection tube, the oil overflows from the overflow port through the detection tube, so that the fact that the oil reaches a set height is proved, the detection is very convenient, meanwhile, the detection data are very accurate, and errors in oil detection are greatly reduced;

the arrangement of the first connecting assembly can realize the detachable connection of the detection tube and the installation tube, so that the detection tubes with different lengths can be conveniently replaced according to automobiles with different models, and the requirements of automobile gearboxes with different models are met;

the setting of second coupling assembling can realize stifled cap and the dismantlement of installation pipe and be connected, is convenient for open the overflow mouth when changing oil and realizes the detection to the gearbox oiling volume, finishes the back when changing oil, can directly install stifled cap on the installation pipe through second coupling assembling, and it is very convenient to operate.

Drawings

Fig. 1 is a schematic view of the overall structure of the present application.

FIG. 2 is a schematic view showing the structure of the liquid level detecting apparatus.

Fig. 3 is an enlarged schematic view at a in fig. 1.

Fig. 4 is a schematic diagram of a blanking cap structure.

Fig. 5 is a sectional view of the closing cap for embodying the structure of the operation slot.

Description of reference numerals: 1. a gearbox oil sump; 11. an overflow port; 2. a liquid level detection device; 21. installing a pipe; 22. a detection tube; 221. a notch; 222. an elastic plate; 223. a limiting groove; 224. a guide groove; 3. a first connection assembly; 31. a limiting block; 32. a supporting strip; 33. a guide bar; 4. a plugging cap; 5. a second connection assembly; 51. a fixing plate; 52. a baffle plate; 521. an operation slot; 53. a connecting rod; 54. a limiting plate; 55. a butt joint plate; 56. a guide plate; 57. and (5) sealing rings.

Detailed Description

The present application is described in further detail below with reference to figures 1-5.

The embodiment of the application discloses gearbox with liquid level detection device. Referring to fig. 1, the transmission with the liquid level detection device includes a transmission oil pan 1, a transmission case (not shown in the figure) fixedly connected to the transmission oil pan 1, and a liquid level detection device 2 disposed on the transmission oil pan 1, wherein the transmission oil pan 1 and the transmission case jointly enclose a transmission body.

Referring to fig. 2 and 3, overflow opening 11 has been seted up to gearbox oil pan 1 bottom, and liquid level detection device 2 includes that the rigid coupling is in the installation pipe 21 of overflow opening 11 inner wall department and can dismantle the detecting tube 22 of connection on installation pipe 21, and installation pipe 21 is located the inside one end of gearbox body and is connected with detecting tube 22, and detecting tube 22 keeps away from the unsettled setting of one end of installation pipe 21 and is used for detecting this internal oil mass of gearbox. When this internal fluid height of gearbox surpassed the test tube 22, fluid will flow out from overflow mouth 11 through test tube 22, and the staff of being convenient for accomplishes accurate detection to this internal fluid of gearbox.

Be provided with first coupling assembling 3 between installation pipe 21 lies in this internal one end of gearbox and the test tube 22, can realize through first coupling assembling 3 that test tube 22 and installation pipe 21 can dismantle and be connected. Aiming at the automobile gearboxes with different models, the detecting tubes 22 with different lengths can be arranged on the gearbox body through the first connecting component 3 so as to adapt to the detection requirements of the automobile gearboxes with different models.

Referring to fig. 2 and 3, the first connecting assembly 3 includes a limiting block 31 fixedly connected to the outer wall of the mounting pipe 21, and one side of the limiting block 31 away from the transmission oil pan 1 is an inclined surface. Meanwhile, two notches 221 are formed in one end of the detection tube 22 facing the mounting tube 21, an elastic plate 222 is formed between the two notches 221, and a limiting groove 223 for the limiting block 31 to be embedded in is formed in the elastic plate 222. During installation, the end cover of direct operation detecting tube 22 towards breach 221 is established on installation pipe 21, and the elastic plate 222 will slide to stopper 31 along stopper 31's inclined plane this moment, and until stopper groove 223 slides to stopper 31 department, stopper 31 imbeds in the limiting groove 223 to fix the relative position between detecting tube 22 and the installation pipe 21, realize the installation of detecting tube 22 and installation pipe 21.

The first connecting assembly 3 further comprises a supporting bar 32 fixedly connected to the side wall of the mounting tube 21, and an axial distance between the supporting bar 32 and the stopper 31 is consistent with a distance from the end of the detecting tube 22 to the stopper groove 223, so that when the stopper 31 is embedded into the stopper groove 223, the end of the detecting tube 22 is abutted against the supporting bar 32, thereby fixing an axial position of the detecting tube 22.

Wherein, when establishing on the installation pipe 21 for the convenience of operating the detection tube 22 cover for stopper 31 can be smooth imbed spacing groove 223, still the rigid coupling has gib block 33 on the outer wall of installation pipe 21, gib block 33 length direction is unanimous with installation pipe 21 axis direction, offers the guide way 224 that supplies gib block 33 embedding simultaneously in the one end of detection tube 22 orientation installation pipe 21. When the end of the detection tube 22 is operated to be sleeved on the mounting tube 21, the opening of the guide groove 224 is made to face the position of the guide strip 33, when the detection tube 22 is sleeved on the mounting tube 21 and slides towards the direction of the gearbox oil pan 1, the guide strip 33 also slides in the guide groove 224 until the limiting block 31 is embedded into the limiting groove 223, and the end of the detection tube 22 also abuts against the support bar 32, so that the mounting and fixing of the detection tube 22 are completed. The fitting of the guide strip 33 and the guide groove 224 can also limit the circumferential position of the detection tube 22, so that the detection tube 22 is fixed more stably.

Referring to fig. 3 and 4, in order to avoid the gearbox body normal operating, this internal fluid of gearbox flows out from overflow mouth 11 along detecting tube 22, can dismantle in installation pipe 21 and be connected with stifled cap 4, and stifled cap 4 is used for shutoff overflow mouth 11 to avoid fluid to flow out from overflow mouth 11. A second connecting component 5 is arranged between the plugging cap 4 and the mounting pipe 21, and the plugging cap 4 is detachably connected to the mounting pipe 21 through the second connecting component 5.

Referring to fig. 3 and 4, the second connecting assembly 5 includes a fixing plate 51 fixedly connected to the inner wall of the mounting pipe 21, a baffle plate 52 fixedly connected to one end of the plugging cap 4, a connecting rod 53 fixedly connected to the other end of the plugging cap 4, and a limiting plate 54 fixedly connected to the sidewall of the connecting rod 53. When the device is installed, the baffle plate 52 is directly operated, one end of the plugging cap 4 fixedly connected with the limiting plate 54 is inserted into the inner hole of the installation pipe 21 until the limiting plate 54 slides to one side of the fixing plate 51 close to the interior of the gearbox body from one end of the fixing plate 51; then the plugging cap 4 is rotated, so that one side of the limiting plate 54 facing the baffle plate 52 is attached to one side of the fixing plate 51 close to the inside of the gearbox body, and the plugging cap 4 is fixed in the inner hole of the installation pipe 21 through the baffle plate 52 and the limiting plate 54, so that the installation and the fixation of the plugging cap 4 are completed.

Wherein, fixed plate 51 can encircle the axis interval of an installation section of thick bamboo and be provided with a plurality ofly, and this application uses fixed plate 51 to set up two and explains as the example, and limiting plate 54 also is provided with two simultaneously, and two limiting plates 54 set up with two fixed plate 51 one-to-one to fix the position of stifled cap 4 relative both sides, make stifled cap 4 fixed more stable.

Referring to fig. 3, a butt plate 55 is further fixedly connected to one side of each fixing plate 51, so that when the limiting plate 54 rotates to one side of the fixing plate 51 facing the inside of the transmission body, the limiting plate 54 abuts against the butt plate 55 to fix the rotating limit position of the plugging cap 4, and the limiting plate 54 is prevented from being separated from the fixing plate 51 due to excessive rotation of the plugging cap 4.

In order to facilitate the stop plate 54 to smoothly rotate to the side of the fixing plate 51 facing the inside of the transmission body, a guide plate 56 is fixedly connected to the side of the fixing plate 51 far away from the abutting plate 55, and the distance from the guide plate 56 to the lower end of the mounting cylinder decreases gradually from the side close to the fixing plate 51 to the side far away from the fixing plate 51. So that the plugging cap 4 can be rotated onto the fixing plate 51 along the guide plate 56 when the plugging cap 4 is rotated.

It will be appreciated that the retainer plate 54 may be inclined so that the distance from one side of the retainer plate 54 to the other side of the retainer plate 54 increases from the blanking cap 4. When the plugging cap 4 is rotated, the side of the limiting plate 54 farther from the plugging cap 4 contacts the guide plate 56 first, and slides along the guide plate 56 onto the fixing plate 51.

Referring to fig. 4 and 5, in order to avoid overflowing from between stifled cap 4 and installation pipe 21 at the internal fluid of gearbox when gearbox body normal use, the cover is equipped with sealing washer 57 on stifled cap 4 outer wall, and when stifled cap 4 was installed in installation pipe 21, sealing washer 57 was located between stifled cap 4 and the installation pipe 21, can play sealed effect to between stifled cap 4 and the installation pipe 21.

Wherein, the one end of keeping away from stifled cap 4 at baffle 52 has still seted up and has supplied the inserted operation groove 521 of external instrument, and operation groove 521 communicates to stifled cap 4 on, and the cross-section of operation groove 521 is non-orthocircular, and is concrete, and the cross-section of operation groove 521 can be quadrangle, hexagon etc. as long as can with external instrument tip grafting cooperation and external instrument can drive stifled cap rotation. When the stifled cap 4 needs to be installed on the installation pipe 21 or the stifled cap 4 needs to be detached from the installation pipe 21, the external tool can be inserted into the operation groove 521, the stifled cap 4 is driven to rotate through the matching of the external tool and the operation groove 521, the installation and the detachment of the stifled cap 4 are realized, and the operation is more labor-saving.

It can be understood that, seted up the oil drain on gearbox oil pan 1, when the fluid in the gearbox needs to be changed, can be through the fluid discharge in the oil drain with the gearbox. When oil is fed, the overflow port 11 can be directly used as an oil inlet, and oil is injected into the gearbox body through the overflow port 11; certainly also can set up the oil inlet in addition on the gearbox body, it is internal to pour into this body of gearbox with fluid through the oil inlet, and is concrete can set up according to actual need.

The implementation principle of the gearbox with the liquid level detection device in the embodiment of the application is as follows: normally, the plugging cap 4 is mounted in the mounting tube 21 by the second connection assembly 5. When the fluid in the gearbox needs to be changed, directly open the oil-out, discharge this internal fluid of gearbox, then close the oil-out, it is rotatory to drive stifled cap 4 through external instrument to open the oil inlet, pour into this internally with new fluid into gearbox. During the injection process, the oil level in the gearbox body continuously rises, and when the oil level in the gearbox body exceeds the height of the free end of the detection pipe 22, the injected oil reaches the detection pipe 22 and flows out of the overflow port 11. When the staff finds that the overflow port 11 has oil to flow out, the oil in the gearbox body is injected in place, and the oil injection is stopped. Then, the worker installs the plugging cap 4 on the installation pipe 21, and closes the oil inlet to complete the oil change operation. The automatic detection of the oil liquid is realized in the oil changing process, the error in the oil liquid detection process is greatly reduced, and the convenience in the oil liquid detection process is improved.

The above are preferred embodiments of the present application, and the scope of protection of the present application is not limited thereto, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims (10)

1. The utility model provides a gearbox with liquid level detection device which characterized in that: be in including gearbox oil pan (1) and setting liquid level detection device (2) on gearbox oil pan (1), overflow mouth (11) have been seted up to gearbox oil pan (1) bottom, liquid level detection device (2) including can dismantle the connection in gearbox oil pan (1) go up and with detection pipe (22) of overflow mouth (11) intercommunication and be used for the shutoff stifled cap (4) of overflow mouth (11) circulation state.

2. The transmission with liquid level detection device of claim 1, wherein: liquid level detection device (2) still include the rigid coupling be in installation pipe (21), the setting of overflow mouth (11) inner wall department are in installation pipe (21) with first coupling assembling (3) and setting between detection tube (22) are in stifled cap (4) with second coupling assembling (5) between installation pipe (21).

3. The transmission with liquid level detection device according to claim 2, wherein: first connecting element (3) are in including the rigid coupling stopper (31) on installation pipe (21) outer wall, detecting tube (22) orientation a plurality of breachs (221) have been seted up to the one end of installation pipe (21), form elastic plate (222) between two adjacent breach (221), seted up the confession on elastic plate (222) spacing groove (223) of stopper (31) embedding, stopper (31) are kept away from one side of gearbox oil pan (1) is the inclined plane.

4. The transmission with liquid level detection device according to claim 3, characterized in that: the first connecting assembly (3) further comprises a supporting bar (32) fixedly connected to the side wall of the mounting pipe (21), and when the limiting block (31) is embedded into the limiting groove (223), the end part of the detection pipe (22) abuts against the supporting bar (32).

5. The transmission with liquid level detection device according to claim 2, wherein: first coupling assembling (3) still include the rigid coupling and are in guide strip (33) on installation pipe (21) outer wall, detect pipe (22) orientation the confession has been seted up to the one end of installation pipe (21) guide way (224) of guide strip (33) embedding.

6. The transmission with liquid level detection device according to claim 2, characterized in that: stifled cap (4) with installation pipe (21) hole cooperation of pegging graft, second coupling assembling (5) are in including the rigid coupling fixed plate (51), rigid coupling on installation pipe (21) inner wall are in baffle (52), the rigid coupling of stifled cap (4) one end are in connecting rod (53) and the rigid coupling of stifled cap (4) other end are in limiting plate (54) on connecting rod (53) lateral wall work as baffle (52) with when installation pipe (21) is located the one end laminating in the gearbox oil pan (1) outside, limiting plate (54) are located fixed plate (51) is kept away from one side of baffle (52).

7. The transmission with liquid level detection device according to claim 6, wherein: the fixing plates (51) are arranged at intervals around the axis of the mounting pipe (21), the number of the limiting plates (54) is two, and the two limiting plates (54) are respectively located on two opposite sides of the connecting rod (53).

8. The transmission with liquid level detection device of claim 6, wherein: one side of the fixed plate (51) is fixedly connected with an abutting plate (55), and the abutting plate (55) is used for limiting the position of the limiting plate (54) on the fixed plate (51).

9. The transmission with liquid level detection device according to claim 8, wherein: and a sealing ring (57) is arranged on the outer wall of the blocking cap (4).

10. The transmission with liquid level detection device of claim 6, wherein: keep away from baffle (52) the one end of stifled cap (4) is seted up and is supplied external instrument male operation groove (521), operation groove (521) are seted up extremely on stifled cap (4), the cross-section of operation groove (521) is the just circular shape of non-.

Images