CN109531469B

CN109531469B - Tap clamping structure

Info

Publication number: CN109531469B
Application number: CN201811562557.9A
Authority: CN
Inventors: 钱有志
Original assignee: Shanghai Zekai Electromechanical Equipment Co ltd
Current assignee: Shanghai Zekai Electromechanical Equipment Co ltd
Priority date: 2018-12-20
Filing date: 2018-12-20
Publication date: 2023-09-26
Anticipated expiration: 2038-12-20
Also published as: CN109531469A

Abstract

The invention provides a faucet clamping structure, and belongs to the technical field of detection equipment. The faucet clamping structure solves the problem that the existing faucet clamping structure cannot detect the air tightness of a faucet. This tap clamping structure, including tap anchor clamps and the tap that has the hole, tap anchor clamps are including rising the cover and being located the cover that rises and can follow the length direction that rises the cover and remove the core bar that is used for propping up the cover that rises, have on the inner wall of hole and be annular boss, when the pore wall tight fit of cover and hole that rises, the outer tip and the boss sealing fit of core bar, the inlet port has been seted up along the axial of core bar on the outer terminal surface of core bar, the through-hole of intercommunication inlet port has been seted up on the outer peripheral face of core bar. This structure has increased the function that can carry out the gas tightness detection to tap, guarantees that tap's gas tightness detection can go on smoothly.

Description

Tap clamping structure

Technical Field

The invention belongs to the technical field of machinery, and particularly relates to a faucet clamping structure.

Background

The faucet is used for controlling the water flow, has the effect of saving water, basically adopts casting molding, and the faucet cast molding has a certain degree of deviation in appearance and dimension, and the faucet cast molding is generally subjected to tolerance test, so that the faucet cast blank is required to be polished to eliminate the deviation, the faucet is required to be subjected to leak test before being polished, and the faucet is clamped and fixed through a clamp before being polished and leak test.

At present, chinese patent net discloses a tap internal expanding type anchor clamps [ authorized bulletin number: CN202517354U ], it includes cylinder and thimble, the one end and the output of cylinder of thimble are connected, are equipped with the cone on the other end, the cover has the elastic expansion cover on the cone, the elastic expansion cover can directly or indirectly install on the cylinder, the elastic expansion cover is equipped with installation end and working end, be equipped with spacing step on the working end, the installation end links to the fixed plate that sets up on the cylinder.

When the internal expansion type clamp grabs a faucet, as shown in fig. 2 and 3 of the attached drawings of the patent, the elastic expansion sleeve is divided into two parts, after the elastic expansion sleeve stretches into an inner hole of the faucet, the thimble is pushed forward, the head of the thimble stretches the elastic expansion sleeve to tightly expand in the inner hole, but the head of the thimble cannot seal the inner hole, and the inner hole is in a ventilation state, so that the clamp can only polish the faucet after grabbing the faucet, and cannot detect the air tightness of the faucet.

Disclosure of Invention

The invention aims to solve the problems in the prior art, and provides a faucet clamping structure, which aims to solve the technical problems that: how to close the inner hole of the faucet while the fixture grabs the faucet.

The aim of the invention can be achieved by the following technical scheme:

the utility model provides a tap clamping structure, includes tap anchor clamps and has the tap of hole, tap anchor clamps are including rising the cover and being located the cover that rises and can follow the length direction that rises the cover and remove the core bar that is used for propping up the cover that rises, have on the inner wall of hole and be annular boss, when the pore wall tight fit of cover and hole that rises, the outer tip and the boss sealing fit of core bar, the inlet port has been seted up along the axial of core bar on the outer terminal surface of core bar, the through-hole of intercommunication inlet port has been seted up on the outer peripheral face of core bar.

The working principle of the clamping structure is as follows: firstly, the outer end of the expansion sleeve extends into an inner hole of the faucet, then the core rod moves towards the inner hole side, the expansion sleeve is outwards expanded, the expansion sleeve is tightly matched with the inner hole of the faucet, the clamp is used for grabbing the faucet, and the faucet is convenient to polish in the next step; and after the outer end of the core rod is inserted into the inner hole and is in sealing fit with the boss, the inner hole, the air inlet hole and the through hole form an air inlet channel, the air inlet channel is communicated with the inner cavity of the faucet, the through hole can be externally connected with a compressed air source, compressed air enters the inner cavity of the faucet through the through hole, the air inlet hole and the inner hole, and the inner hole is blocked due to the sealing fit of the outer end of the core rod and the boss, so that the air is prevented from leaking outwards from the inner hole, and the air tightness detection of the faucet is ensured. This structure grasps the outer end through the core bar when holding the tap through the cover that rises and blocks the hole, and the design of boss in the hole is for the convenience can carry out sealing fit with the outer end of core bar, and inlet port and through-hole's design is in order to be can let in gas to tap inner chamber, has increased the function that can carry out the gas tightness detection to tap compared with prior art, guarantees that tap's gas tightness detection can go on smoothly.

In the above-mentioned faucet clamping structure, the expansion sleeve includes a large-diameter portion, a small-diameter portion capable of extending into the inner hole, and a tapered transition portion connecting the large-diameter portion and the small-diameter portion; the core bar comprises a mounting part, an inserting part which is sleeved in the small-diameter part and can be inserted into the boss, and a sealing part which is conical and can be used for expanding the small-diameter part and is connected with the mounting part and the inserting part, and after the inserting part is inserted into the boss, the outer curved surface of the sealing part is propped against the inner edge of the outer end of the boss. In this structure, after the path portion inserts in the hole and leans on with the boss, the core bar moves towards hole side direction, and the outer curved surface of sealing portion struts the path portion gradually, and after the grafting portion inserts in the boss completely, the outer curved surface of sealing portion leans on with the inner border of boss outer end and realizes the shutoff to the hole, and the outer peripheral face of installation department is hugged closely with the inner wall of path portion, and path portion is strutted and is tightly matched with the hole completely, realizes snatching tap, and this sealing portion both is used for strutting the cover that rises, is used for sealing the hole again, has dual function.

In the above-mentioned faucet clamping structure, the expansion sleeve includes a large-diameter portion, a small-diameter portion capable of extending into the inner hole, and a tapered transition portion connecting the large-diameter portion and the small-diameter portion; the core bar comprises a mounting part, a plugging part and a conical sealing part which is connected with the mounting part and the plugging part and can open the small-diameter part, wherein the plugging part is inserted into the inner hole, and the outer end face of the plugging part is abutted against the outer end face of the boss. The structure is used as another technical scheme of the parallel connection, when the small-diameter part is inserted into the inner hole and leans against the boss, the core rod moves towards the side direction of the inner hole, the outer curved surface of the sealing part gradually expands the small-diameter part, when the outer end surface of the plug-in part leans against the outer end surface of the boss, the inner hole is blocked, at the moment, the outer circumferential surface of the mounting part is tightly attached to the inner wall of the small-diameter part, the small-diameter part is completely expanded and tightly matched with the inner hole, the grabbing faucet is realized, and the sealing part is used for expanding the expansion sleeve and sealing the inner hole, so that the dual-function is realized.

In the above-mentioned faucet clamping structure, the major diameter portion is provided with a strip-shaped relief hole corresponding to the through hole. In this structure, because the in-process that the core bar was followed the length direction round trip movement of cover that rises, the through-hole also along with the core bar round trip movement in the length direction of cover that rises, the setting of hole of stepping down guarantees that the through-hole exposes outside all the time, carries out the in-process that the gas tightness detected to tap and makes things convenient for the through-hole to connect the high-pressure air supply.

In the above-mentioned faucet clamping structure, the outer circumferential surface of the mounting portion has an enlarged diameter portion sleeved in the large diameter portion, and the through hole is opened on the enlarged diameter portion. In this structure, installation department slides and sets up in big footpath portion, and then makes the core bar slide and set up in rising the cover, and when the outer end of core bar inserted in the hole and with boss sealing fit, the one end of expanding footpath portion supports and leans on the junction between big footpath portion and the transition portion, carries out spacingly to the removal of core bar.

In the above-mentioned tap clamping structure, tap clamping structure includes the bottom plate and fixes the fixed plate on the bottom plate, tap anchor clamps are including fixing the cylinder that is used for driving the core bar and remove at the fixed plate, the one end of cover that rises is fixed on the fixed plate, the breach has been seted up at the middle part of bottom plate one end, tap is T font structure, tap's vertical portion inlays and establishes in the breach. In this structure, cylinder drive core bar round trip movement along the length direction of cover that rises, the size phase-match of breach and the size phase-match of tap's vertical portion, vertical portion inlay establish realize the location to tap in the breach for the outer end of cover that rises aligns with tap's hole.

In the faucet clamping structure, two opposite sides of the outer end of the notch are provided with inclined guide surfaces, and the two guide surfaces form a guide flaring; and the bottom surface of the notch is in arc transition. In this structure, because the size of breach and the size phase-match of the vertical portion of tap, the size of direction flaring is greater than the size of the vertical portion of tap, through setting up the direction flaring after, the vertical portion of tap is pushed into in the breach through the direction flaring, makes things convenient for the installation location of tap on the bottom plate.

In the above-mentioned faucet clamping structure, the faucet clamp further comprises two base plates which are respectively positioned at the left side and the right side of the notch and fixed on the upper surface of the bottom plate, the horizontal part of the faucet abuts against the upper surfaces of the two base plates, and the inner hole is formed in the horizontal part. In this structure, set up the backing plate after having increased the intensity of bottom plate in this place on the one hand, be favorable to the support to tap, on the other hand, the backing plate plays the effect of bed hedgehopping tap for the hole on the tap aligns with the cover that rises.

Compared with the prior art, the faucet clamping structure has the following advantages: this structure grasps the outer end through the core bar when holding the tap through the cover that rises and blocks the hole, and the design of boss in the hole is for the convenience can carry out sealing fit with the outer end of core bar, and inlet port and through-hole's design is in order to be can let in gas to tap inner chamber, has increased the function that can carry out the gas tightness detection to tap compared with prior art, guarantees that tap's gas tightness detection can go on smoothly.

Drawings

Fig. 1 is a schematic perspective view of the present invention.

Fig. 2 is a schematic cross-sectional structure of the present invention.

Fig. 3 is a schematic perspective view of a faucet fixture according to the present invention.

Fig. 4 is a schematic view of a partially exploded construction of the faucet fixture of the present invention.

Fig. 5 is a schematic perspective view of a faucet according to the present invention.

In the figure, 1, a tap clamp; 11. expanding sleeve; 11a, a large diameter portion; 11a1, relief holes; 11b, a small diameter portion; 11c, a transition portion; 12. a core bar; 12a, air inlet holes; 12b, through holes; 121. a mounting part; 122. a plug-in part; 123. a sealing part; 124. an expanded diameter portion; 13. a cylinder; 2. a water tap; 21. a vertical portion; 22. a horizontal portion; 22a, an inner hole; 22b, a boss; 3. a bottom plate; 31. a notch; 31a, a guide surface; 31b, guiding flaring; 4. a fixing plate; 5. a backing plate.

Detailed Description

The following are specific embodiments of the present invention and the technical solutions of the present invention will be further described with reference to the accompanying drawings, but the present invention is not limited to these embodiments.

Example 1

As shown in fig. 1, the faucet clamping structure comprises a faucet clamp 1 and a faucet 2 with an inner hole 22a, wherein the faucet clamp 1 comprises an expansion sleeve 11 and a core rod 12 which is positioned in the expansion sleeve 11 and can move along the length direction of the expansion sleeve 11 and used for expanding the expansion sleeve 11, the faucet clamp 1 comprises a bottom plate 3, a fixed plate 4 fixed on the bottom plate 3 and a cylinder 13 fixed on the fixed plate 4 and used for driving the core rod 12 to move, and one end of the expansion sleeve 11 is fixed on the fixed plate 4; as shown in fig. 5, the faucet 2 has a T-shaped structure, the faucet 2 includes a vertical portion 21 and a horizontal portion 22, and the inner hole 22a is formed in the horizontal portion 22.

As shown in fig. 1 and fig. 3, a notch 31 is formed in the middle of one end of the bottom plate 3, two opposite sides of the outer end of the notch 31 are provided with inclined guide surfaces 31a, and the two guide surfaces 31a form a guide flaring 31b; the bottom surface of the notch 31 is in arc transition. The size of the notch 31 is matched with the size of the vertical part 21 of the faucet 2, the size of the guide flaring 31b is larger than the size of the vertical part 21 of the faucet, the vertical part 21 of the faucet 2 is pushed into the notch 31 through the guide flaring 31b, the circular arc transition structure of the bottom surface of the notch 31 just abuts against the outer peripheral surface of the vertical part 21, and the notch 31 positions the faucet 2. The tap fixture 1 further comprises two base plates 5 which are respectively positioned at the left side and the right side of the notch 31 and fixed on the upper surface of the bottom plate 3, the horizontal part 22 of the tap 2 is abutted against the upper surfaces of the two base plates 5, and the inner hole 22a on the tap 2 is aligned with the expansion sleeve 11.

As shown in fig. 2 and 4, the inner wall of the inner hole 22a has an annular boss 22b. The expansion sleeve 11 comprises a large-diameter portion 11a, a small-diameter portion 11b capable of extending into the inner hole 22a, and a conical transition portion 11c connecting the large-diameter portion 11a and the small-diameter portion 11b, wherein the small-diameter portion 11b extends into the inner hole 22a and abuts against the outer end face of the boss 22b. The core 12 includes a mounting portion 121, a plug portion 122 capable of being inserted into the boss 22b, and a tapered sealing portion 123 connecting the mounting portion 121 and the plug portion 122 and capable of expanding the small diameter portion 11b, wherein an outer peripheral surface of the mounting portion 121 is provided with an expanding portion 124 sleeved in the large diameter portion 11a, in this structure, the core 12 is slidably disposed in the expanding sleeve 11 through the expanding portion 124, after the cylinder 13 drives the core 12 to move toward the inner hole 22a, an outer curved surface of the sealing portion 123 gradually expands the small diameter portion 11b, after the plug portion 122 is completely inserted into the boss 22b, an outer curved surface of the sealing portion 123 abuts against an inner edge of an outer end of the boss 22b to block the inner hole 22a, and at this time, the outer peripheral surface of the mounting portion 121 abuts against an inner wall of the small diameter portion 11b, and the small diameter portion 11b is completely expanded and is tightly matched with the inner hole 22a to grasp the faucet 2.

As shown in fig. 2, the outer end surface of the core rod 12 is provided with an air inlet 12a along the axial direction of the core rod 12, the outer circumferential surface of the core rod 12 is provided with a through hole 12b communicated with the air inlet 12a, the inner hole 22a, the air inlet 12a and the through hole 12b form an air inlet channel, the air inlet channel is communicated with the inner cavity of the faucet 2, the through hole 12b can be externally connected with a compressed air source, compressed air enters the inner cavity of the faucet 2 through the through hole 12b, the air inlet 12a and the inner hole 22a, and the outer end of the core rod 1 is in sealing fit with the boss 22b so as to seal the inner hole 22a, so that gas is prevented from leaking outwards from the inner hole 22a, and the air tightness detection of the faucet 2 is ensured. As shown in fig. 4, the large diameter portion 11a is provided with a strip-shaped relief hole 11a1, the relief hole 11a1 corresponds to the through hole 12b, the through hole 12b is provided on the diameter-expanding portion 124, and the through hole 12b also moves back and forth along with the core rod 12 in the length direction of the expansion sleeve 11 in the process of moving the core rod 12 back and forth along with the length direction of the expansion sleeve 11, so that the through hole 12b is always exposed by the setting of the relief hole 11a1, and the through hole 12b is conveniently connected with an air source in the process of detecting the air tightness of the faucet 2.

Example 2

This embodiment is basically the same as the above embodiment 1 except that: the expansion sleeve 11 comprises a large-diameter part 11a, a small-diameter part 11b capable of extending into the inner hole 22a, and a conical transition part 11c connecting the large-diameter part 11a and the small-diameter part 11 b; the core rod 12 includes a mounting portion 121, a plug portion 122, and a sealing portion 123 connecting the mounting portion 121 and the plug portion 122, which is tapered and is capable of expanding the small diameter portion 11b, the plug portion 122 is inserted into the inner hole 22a, and an outer end surface of the plug portion 122 abuts against an outer end surface of the boss 22b.

The specific embodiments described herein are offered by way of example only to illustrate the spirit of the invention. Those skilled in the art may make various modifications or additions to the described embodiments or substitutions thereof without departing from the spirit of the invention or exceeding the scope of the invention as defined in the accompanying claims.

Claims

1. The utility model provides a tap clamping structure, includes tap anchor clamps (1) and has tap (2) of hole (22 a), tap anchor clamps (1) are including rising cover (11) and being located in rising cover (11) and can be along rising cover (11) length direction removal core bar (12) that are used for propping up rising cover (11), characterized in that, have annular boss (22 b) on the inner wall of hole (22 a), when rising cover (11) and the pore wall close-fitting of hole (22 a), the outer tip and the boss (22 b) sealing fit of core bar (12), inlet port (12 a) have been seted up along the axial of core bar (12) on the outer terminal surface of core bar (12), through-hole (12 b) of intercommunication inlet port (12 a) have been seted up on the outer peripheral face of core bar (12);

the expansion sleeve (11) comprises a large-diameter part (11 a), a small-diameter part (11 b) capable of extending into the inner hole (22 a), and a conical transition part (11 c) for connecting the large-diameter part (11 a) and the small-diameter part (11 b); the core bar (12) comprises a mounting part (121), a plug part (122) and a sealing part (123) which is conical and can open the small-diameter part (11 b) and is used for connecting the mounting part (121) and the plug part (122);

a strip-shaped abdication hole (11 a 1) is formed in the large-diameter part (11 a), and the abdication hole (11 a 1) corresponds to the through hole (12 b);

tap anchor clamps (1) include bottom plate (3), fix fixed plate (4) on bottom plate (3) and fix cylinder (13) that are used for driving core bar (12) removal at fixed plate (4), the one end of cover (11) that rises is fixed on fixed plate (4), breach (31) have been seted up at the middle part of bottom plate (3) one end, tap (2) are T font structure, vertical portion (21) of tap (2) are inlayed and are established in breach (31).

2. The faucet clamping structure according to claim 1, wherein the insertion part (122) is sleeved in the small-diameter part (11 b) and can be inserted into the boss (22 b), and when the insertion part (122) is inserted into the boss (22 b), the outer curved surface of the sealing part (123) abuts against the inner edge of the outer end of the boss (22 b).

3. The faucet clamping structure according to claim 1, wherein the insertion portion (122) is inserted into the inner hole (22 a) and an outer end surface of the insertion portion (122) abuts against an outer end surface of the boss (22 b).

4. A faucet clamping structure according to claim 2 or 3, wherein the outer peripheral surface of the mounting portion (121) has an enlarged diameter portion (124) fitted in the large diameter portion (11 a), and the through hole (12 b) is opened in the enlarged diameter portion (124).

5. A faucet clamping structure according to any one of claims 1-3, wherein two opposite sides of the outer end of the notch (31) are provided with inclined guide surfaces (31 a), and the two guide surfaces (31 a) form a guide flaring (31 b); the bottom surface of the notch (31) is in arc transition.

6. A faucet clamping structure according to any one of claims 1 to 3, wherein the faucet clamp (1) further comprises two base plates (5) which are respectively positioned at the left side and the right side of the notch (31) and fixed on the upper surface of the bottom plate (3), the horizontal portion (22) of the faucet (2) abuts against the upper surfaces of the two base plates (5), and the inner hole (22 a) is formed in the horizontal portion (22).