Anti-falling perfluoroether rubber sealing element

Abstract

The utility model relates to the related technical field of rubber materials, in particular to an anti-falling perfluoroether rubber sealing element which comprises an insertion structure, a clamping groove is formed in the upper surface of the insertion structure, and a sealing mechanism is arranged on the surface of one side of the clamping groove. During use, an operator only needs to rotate a knob and pull out a pull rod to achieve installation of a closed component, sealing lines and attaching lines are tightly attached to form a sealing defense line, anti-falling teeth and tooth lines are used for preventing falling, the advantages are remarkable, on one hand, through arrangement of the anti-falling device, multiple sets of anti-sliding lines are additionally arranged on the inner side surface of the perfluoroether rubber ring, and the anti-falling performance of the perfluoroether rubber ring is improved; on one hand, the anti-slip sealing ring is tightly attached to a sealed component during installation, so that equipment is not prone to falling off due to continuous impact during operation, on the other hand, due to the arrangement of the fixing device, installation is facilitated, the anti-slip effect is further enhanced, the sealing effect is improved, and the service life is prolonged.

Description

TECHNICAL FIELD

[0001] The utility model relates to rubber material related technical field especially relates to a kind of anti-falling perfluoroether rubber sealing element. BACKGROUND

[0002] In the rubber material technical field, sealing element has been one of key components, and traditional rubber sealing element often uses ordinary rubber material, such as nitrile rubber, neoprene etc., these rubbers have certain sealing performance, but there are many deficiencies when facing severe working conditions, on the one hand, ordinary rubber has limited chemical corrosion resistance, in chemical, pharmaceutical and other industries, often contact strong acid, strong base, organic solvent environment, rubber is easy to be chemically degraded, swelling, leading to sharp decline in sealing performance, sealing element deformation even failure, on the other hand, ordinary rubber has poor high-temperature resistance and cold resistance, in high-temperature area such as automobile engine compartment and aeroengine hot end components, above certain temperature threshold, rubber becomes soft and reduces in strength, unable to maintain good sealing effect, and in polar low-temperature environment or refrigeration equipment, rubber becomes hard and brittle, easy to crack, leading to sealing failure, perfluoroether rubber emerges as the times require as a new high-performance rubber material, it has excellent chemical resistance, can resist almost all common chemical media erosion, and has strong wide-temperature-range adaptability, can work stably at extremely low to extremely high temperature, therefore, there is a particular need for a perfluoroether rubber sealing element.

[0003] However, the existing perfluoroether rubber sealing element, due to the limitation of design, is difficult to fit with the sealed components in complex mechanical systems, which is easy to fall off under continuous impact during equipment operation, and its installation process is extremely tricky, and precise force is required during installation, otherwise, it cannot be smoothly installed, or the sealing element structure is damaged after forced installation, affecting the sealing effect and service life. UTILITY MODEL CONTENTS

[0004] (I) technical problem solved

[0005] In view of the deficiencies of the prior art, the utility model provides a perfluoroether rubber sealing element, which can solve the problem that the existing perfluoroether rubber sealing element is difficult to fit with the sealed components in complex mechanical systems, and precise force is required during installation, otherwise, it cannot be smoothly installed.

[0006] (II) technical scheme

[0007] To achieve the above purpose, the utility model provides the following technical scheme:

[0008] A kind of anti-falling perfluoroether rubber sealing element, including insertion structure, the upper surface of the insertion structure is equipped with clamping groove, the upper surface of the insertion structure is fixedly connected with structure cap, and the side surface of the clamping groove is provided with sealing mechanism;

[0009] The sealing mechanism comprises a falling-prevention device and a fixing device, and the fixing device is used for fixing the falling-prevention device.

[0010] Preferably, the falling-prevention device comprises a fitting groove, a sealing groove, a perfluoroether rubber ring, a falling-prevention tooth and a tooth groove.

[0011] Preferably, the sealing groove is arranged on the inner side surface of the perfluoroether rubber ring at the uppermost end and the lowermost end, and a plurality of groups of sealing grooves are arranged on the inner side surface of the perfluoroether rubber ring between the two groups of sealing grooves.

[0012] Preferably, the radius of the sealing groove is larger than the radius of the fitting groove, and the size of the fitting groove is consistent with the size of the perfluoroether rubber ring.

[0013] Preferably, the falling-prevention tooth is symmetrically arranged with eighteen groups of perfluoroether rubber rings, and a plurality of groups of tooth grooves are arranged on the side surface of the falling-prevention tooth.

[0014] Preferably, the fixing device comprises a rubber fixing seat, a rubber storage box, a pull rod, a fixing ring and a pull knob, the rubber fixing seat is fixedly connected with the rubber storage box on one side surface, the rubber storage box is slidably connected with the pull rod on one side surface, the pull rod is slidably connected with the fixing ring on one side surface, and the pull rod is fixedly connected with the pull knob on one side surface.

[0015] Preferably, the rubber fixing seat, the rubber storage box, the pull rod and the pull knob are symmetrically arranged with six groups of fixing rings, and a plurality of groups of anti-skid grooves are arranged on the outer side surface of the pull knob.

[0016] Compared with the prior art, the present application has the following beneficial effects:

[0017] 1. The falling-prevention perfluoroether rubber sealing piece is provided with a plurality of groups of anti-skid grooves on the inner side surface of the perfluoroether rubber ring, so that the perfluoroether rubber ring is tightly fitted with the sealed component during installation, and the device is not easy to fall off due to continuous impact during operation.

[0018] 2、The anti-falling perfluoroether rubber sealing piece, through the setting of the fixing device, the perfluoroether rubber ring is expanded through the mechanism such as the pull rod before installation, so that it is very convenient to be sleeved on the sealed mechanism, after the pull rod is removed, the sealed mechanism will extrude the rubber storage box, so that the adhesive liquid inside the rubber storage box will be coated between the sealed mechanism and the perfluoroether rubber ring, so that the installation is facilitated, and the anti-skid effect is further improved, and the sealing effect and service life are improved. BRIEF DESCRIPTION OF DRAWINGS

[0019] Figure 1 It is a side view structure schematic diagram of the utility model;

[0020] Figure 2 It is a sealing mechanism structure schematic diagram of the utility model;

[0021] Figure 3 It is a sealing mechanism internal sealing ring structure schematic diagram of the utility model;

[0022] Figure 4 It is a pull out knob, pull rod and rubber storage box structure schematic diagram of the utility model.

[0023] In the drawing: 1, insert structure; 2, clamping groove; 3, structure cap; 4, sealing mechanism; 401, fit groove; 402, sealing groove; 403, perfluoroether rubber ring; 404, anti-falling tooth; 405, tooth pattern; 406, rubber fixing seat; 407, rubber storage box; 408, pull rod; 409, fixed ring; 410, pull out knob. DETAILED DESCRIPTION

[0024] The technical scheme in the embodiments of the utility model will be described clearly and completely in combination with the drawings in the embodiments of the utility model, and obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor belong to the protection scope of the utility model.

[0025] Please refer to Figures 1-4 The utility model provides a technical scheme: an anti-falling perfluoroether rubber sealing piece, including insert structure 1, the upper surface of insert structure 1 is equipped with clamping groove 2, the upper surface of insert structure 1 is fixedly connected with structure cap 3, and one side surface of clamping groove 2 is provided with sealing mechanism 4;Sealing mechanism 4 includes anti-falling device and fixing device, and the fixing device plays the role of fixed installation to the anti-falling device.

[0026] Further, the falling-off device comprises a fitting groove 401, a sealing groove 402, a perfluoroether rubber ring 403, a anti-falling tooth 404 and a tooth groove 405. The outer side of the fitting groove 2 is fitted with the fitting groove 401. The upper surface of the fitting groove 401 is fitted with the sealing groove 402. The outer surface of the sealing groove 402 is fixedly connected with the perfluoroether rubber ring 403. The lower surface of the perfluoroether rubber ring 403 is fixedly connected with the anti-falling tooth 404. The side surface of the anti-falling tooth 404 is provided with the tooth groove 405. Through the setting of the fitting groove 401, the sealing groove 402, the perfluoroether rubber ring 403, the anti-falling tooth 404 and the tooth groove 405, in use, the fitting groove 401 can increase the overall friction of the sealed member. The sealing groove 402 can reseal the upper and lower edges of the sealed member, preventing the leakage of the enclosed object from the gap. The anti-falling tooth 404 and the tooth groove 405 can prevent the perfluoroether rubber ring 403 from loosening and sliding on the upper and lower surfaces. This is conducive to maintaining the sealed state of the enclosed member, ensuring that the medium in the equipment does not leak, ensuring the normal operation of the equipment, and firmly fixing it in the corresponding position, greatly reducing the risk of falling off.

[0027] Further, the sealing groove 402 is provided with a group at the inner surface of the perfluoroether rubber ring 403 at the uppermost end and the lowermost end. The fitting groove 401 is provided on the inner surface of the perfluoroether rubber ring 403. A plurality of groups of sealing grooves 402 are provided between the two groups of sealing grooves 402. Through the setting of the sealing groove 402 and the perfluoroether rubber ring 403, in use, a group of sealing grooves 402 is provided at the inner surface of the perfluoroether rubber ring 403 at the uppermost end and the lowermost end. This can effectively seal the upper and lower ends of the sealing space. In a high-pressure environment, such as in a petroleum and chemical pipeline system, the fluid pressure in the pipeline is high. The design of the upper and lower double sealing grooves can effectively resist the fluid pressure and prevent the fluid from seeping out of the upper and lower ends of the sealing member. The plurality of groups of fitting grooves 401 provided between the two groups of sealing grooves 402 can further enhance the sealing effect. These fitting grooves are like a plurality of small sealing units, which can fill the small gaps in the sealing space.

[0028] Further, the radius size of the sealing groove 402 is larger than that of the fitting groove 401, the size of the clamping groove 2 matches that of the perfluoroether rubber ring 403, and through the arrangement of the sealing groove 402, the fitting groove 401, the clamping groove 2 and the perfluoroether rubber ring 403, in use, because the radius size of the sealing groove 402 is larger than that of the fitting groove 401, the sealing groove can be more deeply embedded in the sealing interface during the sealing process, and after the sealing element is installed, the sealing groove will first contact the corresponding sealing surface of the clamping groove 2, forming the first tight sealing line, which can ensure that the liquid does not seep out due to a small gap, improving the reliability of the sealing, and the size of the clamping groove 2 matches that of the perfluoroether rubber ring 403, which makes the sealing element accurately embedded in the clamping groove during installation, and the installer can more conveniently place the sealing element in the appropriate position, reducing the error during installation, and on a large-scale production line, this precise fitting design can improve assembly efficiency and reduce damage to the sealing element or poor sealing effect due to improper installation.

[0029] Further, the anti-extraction tooth 404 is symmetrically provided with eighteen groups along the central axis of the perfluoroether rubber ring 403, and the tooth pattern 405 is provided with multiple groups on one side surface of the anti-extraction tooth 404, through the arrangement of the anti-extraction tooth 404 and the tooth pattern 405, in use, the anti-extraction tooth 404 is symmetrically provided with eighteen groups along the central axis of the perfluoroether rubber ring 403, and this symmetrical structure can ensure that the sealing element can provide uniform anti-extraction resistance when subjected to external forces in various directions, and during equipment operation, whether subjected to axial tension or radial extrusion force, the symmetrically distributed anti-extraction teeth can effectively resist these forces, keeping the sealing element in place. Just like an object with multiple evenly distributed support feet, it is less likely to fall over when subjected to external forces, the symmetrically arranged anti-extraction teeth greatly improve the stability of the sealing element, and the tooth pattern 405 is provided with multiple groups on one side surface of the anti-extraction tooth 404, when the sealing element is subjected to external forces trying to make it fall off, these tooth patterns can produce strong mechanical engagement with the contact surface, ensuring that the sealing element is still firmly fixed on the equipment under complex and variable working conditions, and because the anti-extraction tooth 404 is symmetrically distributed and has multiple tooth patterns 405, the anti-extraction force on the sealing element can be evenly distributed on each anti-extraction tooth and tooth pattern during equipment operation, which can avoid the damage of the anti-extraction tooth or tooth pattern due to excessive local stress.

[0030] Further, the fixing device comprises a rubber fixing seat 406, a rubber storage box 407, a pull rod 408, a fixing ring 409 and a pull knob 410, one side surface of the rubber fixing seat 406 is fixedly connected with the rubber storage box 407, one side surface of the rubber storage box 407 is slidably connected with the pull rod 408, one side surface of the pull rod 408 is slidably connected with the fixing ring 409, and one side surface of the pull rod 408 is fixedly connected with the pull knob 410. Through the arrangement of the rubber fixing seat 406, the rubber storage box 407, the pull rod 408, the fixing ring 409 and the pull knob 410, when in use, the perfluoroether rubber ring is expanded through the mechanism of the pull rod 408 and the pull knob 410, so that it is very convenient to be sleeved on the sealed mechanism. After the pull rod 408 is removed, the sealed mechanism will extrude the rubber storage box 407. The rubber storage box 407 stores adhesive liquid inside. In this way, the adhesive liquid inside the rubber storage box 407 will coat the sealed mechanism and the perfluoroether rubber ring 403, which not only facilitates installation, but also further enhances the anti-skid effect and improves the sealing effect and service life.

[0031] Further, the rubber fixing seat 406, the rubber storage box 407, the pull rod 408 and the pull knob 410 are symmetrically provided with six groups around the central axis of the fixing ring 409, and the outer surface of the pull knob 410 is provided with a plurality of anti-skid lines. Through the arrangement of the rubber fixing seat 406, the rubber storage box 407, the pull rod 408 and the pull knob 410, when in use, the symmetrical distribution can provide balanced fixing force for the sealing element. During the operation of the equipment, no matter which direction the external force comes from, such as vibration, impact or pressure change, the symmetrical fixing structure can ensure that the sealing element can be stably supported and fixed in all directions. The outer surface of the pull knob 410 is provided with a plurality of anti-skid lines, which can provide better friction for the operator during operation. When the pull knob 410 is needed to control the sliding of the pull rod 408, and then adjust the fixed state of the fixing ring 409 to the sealing element, the anti-skid lines can prevent the operator's hand from slipping on the knob.

[0032] Working principle: first, the perfluoroether rubber ring 403 is placed in the corresponding installation position, the insertion structure 1 is aligned with the corresponding components, the clamping groove 2 is aligned with the perfluoroether rubber ring 403, then the knob is rotated to drive the pull rod 408 to slide outward, until the pull rod 408 is pulled out, at this time the sealed mechanism will extrude the rubber storage box 407, so that the adhesive liquid inside the rubber storage box 407 is coated between the sealed mechanism and the perfluoroether rubber ring 403, which enhances the friction between the two and fills the possible small gap, further improves the sealing effect, as the perfluoroether rubber ring 403 returns to its natural state, the sealing groove 402 on its inner surface, with the advantage of large radius, first deeply embedded in the corresponding sealing surface of the clamping groove 2, forming the first tight sealing line, effectively preventing the medium from leaking from the upper and lower ends of the sealing piece. At the same time, the multiple groups of matching grooves 401 are tightly matched with the surface of the clamping groove 2 between the sealing grooves 402, filling the small gap and ensuring the sealing effect. The eighteen groups of anti-loose teeth 404 are symmetrically arranged on the central axis, which are evenly distributed to resist external forces in all directions, and the tooth pattern 405 is mechanically engaged with the contact surface to prevent the sealing piece from loosening or falling off when subjected to external forces such as vibration and impact. During the operation of the equipment, the perfluoroether rubber ring 403 continuously plays a sealing role, and the internal medium pressure acts on the sealing piece. Due to its good elasticity and sealing structure design, the sealing groove 402 and the matching groove 401 continuously maintain a tight fit state, and the anti-loose tooth 404 and the tooth pattern 405 cooperate to resist the axial tension, radial extrusion force and external forces such as vibration and impact caused by the operation of the equipment, ensuring that the sealing piece is stably attached to the installation position and maintaining the medium in the equipment without leakage, ensuring the normal and reliable operation of the equipment. The device installation process is convenient, which improves the work efficiency during installation.

[0033] Although the embodiments of the present application have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and modifications can be made to these embodiments without departing from the principles and spirits of the present application, and the scope of the present application is defined by the appended claims and their equivalents.

Claims

1. A perfluoroether rubber seal for preventing detachment, comprising an insertion structure (1), characterized in that: The upper surface of the insertion structure (1) is provided with a locking groove (2), and a structural cap (3) is fixedly connected to the upper surface of the insertion structure (1). A sealing mechanism (4) is provided on one side surface of the locking groove (2). The sealing mechanism (4) includes an anti-detachment device and a fixing device, wherein the fixing device plays a role in fixing the anti-detachment device. The detachment device includes a bonding pattern (401), a sealing pattern (402), a perfluoroether rubber ring (403), an anti-detachment tooth (404), and a tooth pattern (405). The bonding pattern (401) is bonded to the outer side of the locking groove (2). The sealing pattern (402) is bonded to the upper surface of the bonding pattern (401). The perfluoroether rubber ring (403) is fixedly connected to the outer surface of the sealing pattern (402). The anti-detachment tooth (404) is fixedly connected to the lower surface of the perfluoroether rubber ring (403). A tooth pattern (405) is provided on one side surface of the anti-detachment tooth (404). The fixing device includes a rubber fixing seat (406), a rubber storage box (407), a pull rod (408), a fixing ring (409), and a pull-out knob (410). The rubber storage box (407) is fixedly connected to one side surface of the rubber fixing seat (406), the pull rod (408) is slidably connected to one side surface of the rubber storage box (407), the fixing ring (409) is slidably connected to one side surface of the pull rod (408), and the pull-out knob (410) is fixedly connected to one side surface of the pull rod (408).

2. The anti-detachment perfluoroether rubber seal according to claim 1, characterized in that: The sealing groove (402) is provided at the uppermost and lowermost ends of the inner surface of the perfluoroether rubber ring (403), and the bonding groove (401) is provided on the inner surface of the perfluoroether rubber ring (403). Multiple sets of sealing grooves (402) are provided between the two sets of sealing grooves (402).

3. The anti-detachment perfluoroether rubber seal according to claim 1, characterized in that: The radius of the sealing groove (402) is larger than that of the fitting groove (401), and the size of the locking groove (2) matches that of the perfluoroether rubber ring (403).

4. The anti-detachment perfluoroether rubber seal according to claim 1, characterized in that: The anti-detachment teeth (404) are symmetrically arranged in eighteen groups along the central axis of the perfluoroether rubber ring (403), and the teeth (405) are arranged in multiple groups on one side surface of the anti-detachment teeth (404).

5. The anti-detachment perfluoroether rubber seal according to claim 1, characterized in that: The rubber fixing seat (406), rubber storage box (407), pull rod (408) and pull-out knob (410) are arranged symmetrically in six groups around the central axis of the fixing ring (409), and the outer surface of the pull-out knob (410) is provided with multiple sets of anti-slip textures.

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