CN205101631U - Plastic water tap - Google Patents
Plastic water tap Download PDFInfo
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- CN205101631U CN205101631U CN201520919578.7U CN201520919578U CN205101631U CN 205101631 U CN205101631 U CN 205101631U CN 201520919578 U CN201520919578 U CN 201520919578U CN 205101631 U CN205101631 U CN 205101631U
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- valve
- valve rod
- stem casing
- valve body
- convex shoulder
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Abstract
The utility model provides a plastic water tap belongs to valve manufacture technical field. It has been solved, and current plastic water tap structural strength is not good, the short scheduling problem of life. This plastic water tap includes the valve body, valve gap and valve rod, the top of valve body is equipped with outer thread, the inner wall of valve gap is equipped with the interior thread with outer thread threaded connection, the inner of valve rod is located the valve body, the valve body is stretched out to the outer end of valve rod, wear to be equipped with to be located on the valve rod between valve rod and the valve gap and with valve rod axial positioning's valve rod cover, the periphery wall of valve rod cover has radial convex chucking piece, the outer thread department of valve body sets up the constant head tank that supplies the embedding of chucking piece, the valve gap top has the turn -ups that is used for compressing tightly the chucking piece to the enstrophe book. The utility model has the advantages of structural strength is good, job stabilization nature is good and long service life.
Description
Technical field
The utility model belongs to technical field of valve manufacturing, relates to a kind of water tap, particularly a kind of plastic faucet.
Background technique
The water tap used on the market at present or sell generally comprises valve seat, spool and switch knob composition, the inwall of valve seat upper body is provided with interior tooth, spool is provided with outer tooth, both work in coordination installation, sealed by the seal ring be enclosed within spool, the spool of this water tap adopts the higher material of the price such as copper or other alloy to make, cost of production is high, therefore there is the plastic faucet that whole employing plastic materials is made on the market, but plastic faucet is when assembling and use, spool needs to be tightened in the housing on valve seat top, add that the pressure of seal ring rises, the housing on valve seat top easily bursts, shorten working life.
For above-mentioned Problems existing, people devise various plastic faucet, and some has also declared patent, and such as Chinese patent literature data discloses a kind of explosion-proof plastic tap (application number: 201120030701.1, Authorization Notice No.: CN201944379U), it comprises valve body and plastics valve gap, body top offers external screw thread, valve gap inwall is corresponding is provided with internal screw thread, in valve gap and valve body pass through, external screw thread assembly connection, inside valve gap, global formation has valve core shell, valve core shell extends downward body cavity from valve gap top, the side opening of valve core shell is provided with water outlet, comprise valve rod, pottery is sent out sheet and is installed in this valve core shell at interior mangetic core assembly, valve rod upper end passes from valve core shell top, seal ring is provided with in valve gap, seal ring and valve body external screw thread top are formed and seal, seal ring is provided with between valve core shell and valve rod, this seal ring is fixed in the locating slot that valve rod offers, sealing gasket is provided with between valve core shell lower end and body base water inlet, sealing gasket compresses downwards by valve core shell.
In above-mentioned explosion-proof plastic tap, valve gap also has internal radial force to valve body except there being downward axial force when tightening, valve body upper body is made to be not easy to leak, but in use, spool is through valve core shell and rotates comparatively frequently, therefore easily drive and rotate with the valve gap of valve core shell one, thus unclamp valve gap and leak, or tighten valve gap once again and make place's cracking outside valve gap internal screw thread, affect working life, in valve gap, valve core shell sets out the mouth of a river and can affect structural strength, water outlet is also direct not, and the seal ring being pressed on valve gap and outside thread place is in compression deformed state always, deformation quantity is large and affect sealing, also there is the risk of bursting outside valve gap when mounted, in addition valve rod is offered locating slot to install for seal ring, the existence of such assembly line makes the yield rate of valve rod not high, so necessarily require mould to possess high precision, manufacture cost is high, and the structural strength at valve rod locating slot place is not good, therefore above-mentioned explosion-proof plastic tap with the same solid construction of all valve rod being made of existing plastic faucet to ensure structural strength, inadequate saving material.
Summary of the invention
The purpose of this utility model is for the above-mentioned problems in the prior art, provides the plastic faucet of a kind of reasonable in design and good operating stability.
The purpose of this utility model realizes by following technical proposal: a kind of plastic faucet, comprise valve body, valve gap and valve rod, the top of described valve body is provided with external screw thread, the inwall of described valve gap is provided with the internal screw thread be threaded with external screw thread, the inner of described valve rod is positioned at valve body, valve body is stretched out in the outer end of valve rod, it is characterized in that, described valve rod to be equipped with between valve rod and valve gap and by the valve stem casing of valve rod axially locating, the periphery wall of described valve stem casing has the radial clamping block protruded, the external screw thread place of described valve body offers the locating slot embedded for clamping block, described valve gap top has fold inward for compressing the flange of clamping block.
After in this plastic faucet, the clamping block of valve stem casing embeds the locating slot of valve body, valve stem casing just achieves circumference location, clamping block compresses and makes valve stem casing axially locating by the flange of valve gap, therefore the position after valve stem casing installation can not change, structure stability is good, valve rod stable rotation can be guaranteed, and valve rod can not drive valve stem casing to rotate in rotation process, the connection of valve gap would not be affected, there is not the situation that valve gap bursts or loosens, this plastic faucet good operating stability, long service life.
In above-mentioned a kind of plastic faucet, described valve stem casing has one section near the periphery wall of bottom end and extends into the undergauge section of bottom and this undergauge section makes valve stem casing form a positioning step near the periphery wall of bottom end, the inwall of described valve body has the limited step of a circle protrusion, be provided with the seal ring one be placed on valve stem casing between described positioning step and limited step, the outer rim of described seal ring one contacts at the inwall of valve body.Seal ring one is located at herein, extruding can not be caused to external screw thread or internal screw thread place, there is not the possibility of bursting, and the outer rim of seal ring one contacts at the inwall of valve body, the interior edge of seal ring one contacts at the periphery wall of valve stem casing, good airproof performance, valve stem casing only relates to positioning step in addition, need not consider the design of locating slot, assembly line in the past, reduces mould and die accuracy requirement, thus reduce manufacture cost, improve product qualified rate.
In above-mentioned a kind of plastic faucet, the periphery wall of described valve stem casing has the outwardly and bulge loop that is that compress for flange of a circle, and described bulge loop is positioned at clamping block top and is connected with clamping block, and the edge of described bulge loop does not exceed external screw thread and arranges.Such flange, to the uniform force application of bulge loop, compresses effective.
In above-mentioned a kind of plastic faucet, the bottom of described valve stem casing extends to the bottom end of valve rod, the outer end of valve stem casing is stretched out valve body and is shorter than valve rod and arranges, described valve stem casing offers the groove of opening towards its outer end, is fixed with circumferential equally distributed ribs between described groove two side.The area of contact of such valve stem casing and valve rod is many, valve rod slow-roll stabilization, also add moulding dimensional stability, on the basis being arranged on the structural strength meeting valve stem casing of groove and ribs, saves material, reduces manufacture cost.
In above-mentioned a kind of plastic faucet, the bottom of described valve rod has the outwardly convex shoulder of a circle one and convex shoulder two, described convex shoulder two is positioned at convex shoulder one top and the diameter of convex shoulder two is less than the diameter of convex shoulder one, described valve stem casing has and is matched with convex shoulder one, the ladder one of convex shoulder two, ladder two, described valve rod is arranged with the seal ring two between convex shoulder two and ladder two, the outer rim of described seal ring two contacts at the inwall of valve stem casing.Achieve the axially locating of valve rod like this, and valve rod only relates to convex shoulder one and convex shoulder two, the design of locating slot, assembly line in the past need not be considered, reduce mould and die accuracy requirement, thus reduce manufacture cost, improve product qualified rate, the outer rim of seal ring two contacts at the inwall of valve stem casing in addition, the interior edge of seal ring two contacts at the periphery wall of valve rod, seal ring.
In above-mentioned a kind of plastic faucet, described valve rod have opening towards bottom it and the deep hole coaxially arranged with valve rod, the degree of depth of described deep hole exceedes the length of valve rod half.Like this on the basis of structural strength meeting valve rod, save material, reduce manufacture cost.
In above-mentioned a kind of plastic faucet, fitting seat is provided with in described valve body, in described fitting seat, clamping is fixed with the valve block one with water inlet, described valve block one compresses and has the valve block two for opening and closing water inlet be connected with valve rod, described fitting seat base has mounting groove, be provided with seal ring three in described mounting groove, described seal ring three is sealed in bottom valve block one.Seal ring three ensure that the sealing at place bottom valve block one, when the rotation of valve rod band moving valve plate two makes valve block two shutoff water inlet, this plastic faucet is closed, when the rotation of valve rod band moving valve plate two makes valve block two open water inlet, current directly enter from water inlet and flow out from the water outlet of this plastic faucet, and water outlet is smooth and easy.
In above-mentioned a kind of plastic faucet, feed-water end and the waterexit end of described valve body all have connecting thread.Such feed-water end connecting tube is convenient, waterexit end conduit connectable or Water outlet, is convenient to connection, mounting arrangements.
Compared with prior art, the reasonable in design of this plastic faucet, easy to assembly, structural strength and good stability, good operating stability, good airproof performance, long service life, and also stock utilization is high, low cost of manufacture, and product qualified rate is high.
Accompanying drawing explanation
Fig. 1 is the stereochemical structure exploded view of this plastic faucet.
Fig. 2 is the sectional structure chart of this plastic faucet.
In figure, 1, valve body; 1a, limited step; 2, valve gap; 2a, flange; 3, valve rod; 3a, convex shoulder one; 3b, convex shoulder two; 3c, deep hole; 4, external screw thread; 5, internal screw thread; 6, valve stem casing; 6a, bulge loop; 6b, groove; 6c, ribs; 6d, ladder one; 6f, ladder two; 6g, positioning step; 7, clamping block; 8, locating slot; 9, seal ring one; 10, seal ring two; 11, fitting seat; 12, valve block one; 13, valve block two; 14, seal ring three; 15, connecting thread.
Embodiment
Be below specific embodiment of the utility model and by reference to the accompanying drawings, the technical solution of the utility model is further described, but the utility model be not limited to these embodiments.
As depicted in figs. 1 and 2, this plastic faucet comprises valve body 1, valve gap 2 and valve rod 3, the feed-water end of valve body 1 and waterexit end all have connecting thread 15, the top of valve body 1 is provided with external screw thread 4, the inwall of valve gap 2 is provided with the internal screw thread 5 be threaded with external screw thread 4, the inner of valve rod 3 is positioned at valve body 1, valve body 1 is stretched out in the outer end of valve rod 3, valve rod 3 to be equipped with between valve rod 3 and valve gap 2 and by the valve stem casing 6 of valve rod 3 axially locating, the periphery wall of valve stem casing 6 has the radial clamping block 7 protruded, external screw thread 4 place of valve body 1 offers the locating slot 8 embedded for clamping block 7, valve gap 2 top has fold inward for compressing the flange 2a of clamping block 7, fitting seat 11 is also provided with in valve body 1, in fitting seat 11, clamping is fixed with the valve block 1 with water inlet, valve block 1 compresses and has the valve block 2 13 for opening and closing water inlet be connected with valve rod 3, fitting seat 11 base has mounting groove, seal ring 3 14 is installed in mounting groove, seal ring 3 14 is sealed in bottom valve block 1.
Describe in detail further, valve stem casing 6 has one section near the periphery wall of bottom end and extends into the undergauge section of bottom and this undergauge section makes valve stem casing 6 form a positioning step 6g near the periphery wall of bottom end, the inwall of valve body 1 has the limited step 1a of a circle protrusion, be provided with the seal ring 1 be placed on valve stem casing 6 between positioning step 6g and limited step 1a, the outer rim of seal ring 1 contacts at the inwall of valve body 1; The bottom of valve rod 3 has a circle outwardly convex shoulder one 3a and convex shoulder two 3b, convex shoulder two 3b is positioned at convex shoulder one 3a top and the diameter of convex shoulder two 3b is less than the diameter of convex shoulder one 3a, valve stem casing 6 has and is matched with convex shoulder one 3a, ladder one 6d of convex shoulder two 3b, ladder two 6f, valve rod 3 is arranged with the seal ring 2 10 between convex shoulder two 3b and ladder two 6f, the outer rim of seal ring 2 10 contacts at the inwall of valve stem casing 6.
In order to the compression of clamping block 7 is effective, the periphery wall of valve stem casing 6 has the outwardly and bulge loop 6a that is that compress for flange 2a of a circle, bulge loop 6a is positioned at clamping block 7 top and is connected with clamping block 7, the edge of bulge loop 6a does not exceed external screw thread 4 and arranges, and in the present embodiment, the quantity of clamping block 7 is two pieces and is arranged symmetrically with; In order to make valve rod 3 slow-roll stabilization and save the material manufacturing valve stem casing 6, reduce manufacture cost, the bottom of valve stem casing 6 extends to the bottom end of valve rod 3, the outer end of valve stem casing 6 is stretched out valve body 1 and is shorter than valve rod 3 and arranges, valve stem casing 6 offers the groove 6b of opening towards its outer end, is fixed with four equally distributed ribs 6c of circumference between groove 6b two side; Manufacturing the material of valve rod 3 to save, reducing manufacture cost, valve rod 3 have opening towards bottom it and the deep hole 3c that arrange coaxial with valve rod 3, the degree of depth of deep hole 3c exceedes the length of valve rod 3 half.
After in this plastic faucet, the clamping block 7 of valve stem casing 6 embeds the locating slot 8 of valve body 1, valve stem casing 6 just achieves circumference location, the flange 2a of valve gap 2 is to bulge loop 6a uniform force application, stably clamping block 7 can be compressed and make valve stem casing 6 axially locating, therefore the position after valve stem casing 6 installation can not change, structure stability is good, valve rod 3 stable rotation can be guaranteed, and valve rod 3 can not drive valve stem casing 6 to rotate in rotation process, the connection of valve gap 2 would not be affected, there is not the situation that valve gap 2 bursts or loosens, this plastic faucet good operating stability, long service life, and seal ring 1, the setting of seal ring 2 10 and seal ring 3 14 ensure that the good airproof performance of this plastic faucet, there is not water leakage situation, valve stem casing 6 only relates to positioning step 6g in addition, valve rod 3 only relates to convex shoulder one 3a and convex shoulder two 3b, such valve stem casing 6 and valve rod 3 all need not consider locating slot in the past, the design of assembly line, reduce mould and die accuracy requirement, thus reduce manufacture cost, improve product qualified rate.
Specific embodiment described herein is only to the explanation for example of the utility model spirit.The utility model person of ordinary skill in the field can make various amendment or supplements or adopt similar mode to substitute to described specific embodiment, but can't depart from spirit of the present utility model or surmount the scope that appended claims defines.
Although more employ the term such as valve body 1, limited step 1a, valve gap 2, flange 2a, valve rod 3, convex shoulder one 3a, convex shoulder two 3b, deep hole 3c, external screw thread 4, internal screw thread 5, valve stem casing 6, bulge loop 6a, groove 6b, ribs 6c, ladder one 6d, ladder two 6f, positioning step 6g, clamping block 7, locating slot 8, seal ring 1, seal ring 2 10, fitting seat 11, valve block 1, valve block 2 13, seal ring 3 14, connecting thread 15 herein, do not get rid of the possibility using other term.These terms are used to be only used to describe and explain essence of the present utility model more easily; The restriction that they are construed to any one additional is all contrary with the utility model spirit.
Claims (8)
1. a plastic faucet, comprise valve body (1), valve gap (2) and valve rod (3), the top of described valve body (1) is provided with external screw thread (4), the inwall of described valve gap (2) is provided with the internal screw thread (5) be threaded with external screw thread (4), the inner of described valve rod (3) is positioned at valve body (1), valve body (1) is stretched out in the outer end of valve rod (3), it is characterized in that, described valve rod (3) is equipped with and is positioned between valve rod (3) and valve gap (2) and by the valve stem casing (6) of valve rod (3) axially locating, the periphery wall of described valve stem casing (6) has the radial clamping block (7) protruded, external screw thread (4) place of described valve body (1) offers the locating slot (8) embedded for clamping block (7), described valve gap (2) top has fold inward for compressing the flange (2a) of clamping block (7).
2. a kind of plastic faucet according to claim 1, it is characterized in that, described valve stem casing (6) has one section near the periphery wall of bottom end and extends into the undergauge section of bottom and this undergauge section makes valve stem casing (6) form a positioning step (6g) near the periphery wall of bottom end, the inwall of described valve body (1) has the limited step (1a) of a circle protrusion, the seal ring one (9) be placed on valve stem casing (6) is provided with between described positioning step (6g) and limited step (1a), the outer rim of described seal ring one (9) contacts at the inwall of valve body (1).
3. a kind of plastic faucet according to claim 2, it is characterized in that, the periphery wall of described valve stem casing (6) has the outwardly and bulge loop (6a) that is that compress for flange (2a) of a circle, described bulge loop (6a) is positioned at clamping block (7) top and is connected with clamping block (7), and the edge of described bulge loop (6a) does not exceed external screw thread (4) and arranges.
4. a kind of plastic faucet according to claim 3, it is characterized in that, the bottom of described valve stem casing (6) extends to the bottom end of valve rod (3), the outer end of valve stem casing (6) is stretched out valve body (1) and is shorter than valve rod (3) and arranges, described valve stem casing (6) offers the groove (6b) of opening towards its outer end, is fixed with circumferential equally distributed ribs (6c) between described groove (6b) two side.
5. a kind of plastic faucet according to claim 1 or 2 or 3 or 4, it is characterized in that, the bottom of described valve rod (3) has the outwardly convex shoulder of a circle one (3a) and convex shoulder two (3b), described convex shoulder two (3b) is positioned at convex shoulder one (3a) top and the diameter of convex shoulder two (3b) is less than the diameter of convex shoulder one (3a), described valve stem casing (6) has and is matched with convex shoulder one (3a), the ladder one (6d) of convex shoulder two (3b), ladder two (6f), described valve rod (3) is arranged with the seal ring two (10) be positioned between convex shoulder two (3b) and ladder two (6f), the outer rim of described seal ring two (10) contacts at the inwall of valve stem casing (6).
6. a kind of plastic faucet according to claim 5, it is characterized in that, described valve rod (3) have opening towards bottom it and the deep hole (3c) that arrange coaxial with valve rod (3), the degree of depth of described deep hole (3c) exceedes the length of valve rod (3) half.
7. a kind of plastic faucet according to claim 1 or 2 or 3 or 4, it is characterized in that, fitting seat (11) is provided with in described valve body (1), in described fitting seat (11), clamping is fixed with the valve block one (12) with water inlet, the upper compression of described valve block one (12) has the valve block two (13) for opening and closing water inlet be connected with valve rod (3), described fitting seat (11) base has mounting groove, seal ring three (14) is installed in described mounting groove, described seal ring three (14) is sealed in valve block one (12) bottom.
8. a kind of plastic faucet according to claim 1 or 2 or 3 or 4, is characterized in that, feed-water end and the waterexit end of described valve body (1) all have connecting thread (15).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520919578.7U CN205101631U (en) | 2015-11-13 | 2015-11-13 | Plastic water tap |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520919578.7U CN205101631U (en) | 2015-11-13 | 2015-11-13 | Plastic water tap |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205101631U true CN205101631U (en) | 2016-03-23 |
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ID=55517413
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520919578.7U Active CN205101631U (en) | 2015-11-13 | 2015-11-13 | Plastic water tap |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205101631U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113236808A (en) * | 2021-04-22 | 2021-08-10 | 新化县群华陶瓷科技有限公司 | Full-ceramic freezing-resistant valve core for angle valve or sealing water nozzle |
-
2015
- 2015-11-13 CN CN201520919578.7U patent/CN205101631U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113236808A (en) * | 2021-04-22 | 2021-08-10 | 新化县群华陶瓷科技有限公司 | Full-ceramic freezing-resistant valve core for angle valve or sealing water nozzle |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |