CN209523987U

CN209523987U - A kind of pressure equaliser and sucker

Info

Publication number: CN209523987U
Application number: CN201920037313.2U
Authority: CN
Inventors: 刘仁友
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-01-09
Filing date: 2019-01-09
Publication date: 2019-10-22
Anticipated expiration: 2029-01-09

Abstract

The utility model relates to sucker technical fields, refer in particular to a kind of pressure equaliser and sucker, including shell, be movably set in shell and can the deformation part that deformation occurs, be set in shell and for driving the restorable multiple elastic components of deformation part and being installed in the clamping assembly in shell and for the deformation part after deformation to be clamped in shell, it is outer and be used for and extraneous structure contradicts that the bottom end of the deformation part protrudes into shell.The structure of this pressure equaliser is simple, easy to operate, and the bottom end of deformation part can be completely attached to curved surface, so that pressure equaliser uniform force, reaches pressure balanced effect.The pressure equaliser is especially suitable in sucker, the bottom end conflict sucker ontology of deformation part enables the adsorption plane of sucker ontology and curved surface to completely attach to, to realize that sucker adsorbs curved surface, overcomes the shortcomings that conventional suction cups are unable to adsorption curve.

Description

A kind of pressure equaliser and sucker

Technical field

The utility model relates to sucker technical field, a kind of pressure equaliser and sucker are referred in particular to.

Background technique

Sucker product in the market has the sucker of the shiny surfaces such as absorption glass, and rough surface can be adsorbed in recent years by having also appeared Sucker；But existing major part sucker can only be to reach adsorption effect in plane base, and cannot achieve curved surface in the face that is adsorbed Absorption；Even if there is sucker to can be realized curved surface absorption, allowing the curved device of sucker to use, structure is complicated, and components are more, no Conducive to saving cost of material and processing cost.

Utility model content

In order to solve the above-mentioned technical problem, the purpose of this utility model is to provide a kind of pressure equaliser and sucker, Its structure is simple, easy to operate, and the bottom end of deformation part can be completely attached to curved surface, so that pressure equaliser uniform force, Reach pressure balanced effect；The pressure equaliser is especially suitable in sucker, the bottom end conflict sucker ontology of deformation part makes The adsorption plane for obtaining sucker ontology can be completely attached to curved surface, to realize that sucker adsorbs curved surface, overcome traditional suction Disk is unable to the shortcomings that adsorption curve.

To achieve the goals above, the utility model adopts the following technical solution:

A kind of pressure equaliser comprising shell is movably set in shell and being capable of the deformation part that deformation occurs, setting In in shell and for driving the restorable multiple elastic components of deformation part and being installed in shell and for by the shape after deformation Become part and be clamped in the clamping assembly of shell, it is outer and be used for and extraneous structure contradicts that the bottom end of the deformation part protrudes into shell.

Further, the clamping assembly include the first Fastener, the second Fastener and for drive the first Fastener with Second Fastener close to or far from clamping actuator, the deformation part is arranged around the first Fastener and the second Fastener；When First Fastener and the second Fastener away from each other when, the deformation part after deformation is clamped in by the first Fastener and the second Fastener Shell.

Further, first Fastener is provided with the first folding inclined-plane, and second Fastener is provided with and first The second folding inclined-plane that folding inclined-plane is oppositely arranged, when the driving end of clamping actuator contradicts the first folding inclined-plane and the second folding When inclined-plane, the first Fastener and the second Fastener are away from each other.

Further, the clamping actuator includes operation portion and the threaded shank for being connected to operation portion, the threaded shank with Shell is threadedly coupled and protrudes between the first Fastener and the second Fastener, and the operating position is in outside shell.

Further, at least two travellers are provided in the shell, first Fastener and the second Fastener are all provided with It is equipped at least one slide opening being slidably matched with traveller.

Further, the deformation part is flexible glue part, and the deformation part includes being located at the intracorporal main part of shell and and main body The abutting portion of portion's connection, the abutting portion and main part are annular in shape, and multiple elastic component annular arrays are set on main part, The abutting portion protrudes into outside shell.

Further, it is installed with limit base in the shell, limiting slot is provided between the limit base and shell, it is described Deformation part and multiple elastic components are located in limiting slot, and first Fastener and the second Fastener are provided at least one First card-tight part, the limit base are provided with for protruding into multiple the first of limiting slot and clamping deformation part for the first card-tight part Emptiness avoiding hole.

Further, the deformation part includes multiple movable parts, and movable part is arranged in a one-to-one correspondence with elastic component, the shell Multiple guide holders are inside provided with, a movable part is slideably positioned in a guide holder.

Further, first Fastener and the second Fastener are provided with multiple second card-tight parts, the guide holder It is provided with for the second emptiness avoiding hole for the second card-tight part clamping movable part.

The utility model also provides a kind of sucker, including above-mentioned pressure equaliser, through pressure equaliser Connecting rod, be rotationally connected with connecting rod one end pull-push piece and be connected to connecting rod the other end sucker ontology, the deformation part Bottom end and sucker ontology contradict.

The utility model has the beneficial effects that under normal conditions, the bottom end of deformation part is located in same level, in actual use, The contact surface of the bottom end of deformation part and extraneous structure contradicts, when the contact surface of extraneous structure is plane, to pressure equaliser Apply downward pressure, so that the bottom end of deformation part and plane completely attach to, deformation part uniform force, so that pressure balance Device uniform force reaches pressure balanced effect；When the contact surface of extraneous structure is curved surface, the bottom end of deformation part and curved surface It does not completely attach to, i.e., a part and curved face contact of deformation part, another part are not contacted with curved surface, are filled at this time to pressure balance It sets and applies downward pressure, be squeezed in deformation part with a part of curved face contact, so that being squeezed in deformation part Part along curved surface bending curvature and compress the elastic component of corresponding position, i.e., deformation occurs for deformation part, until deformation part is another A part and curved face contact, so that the bottom end of deformation part and curved surface completely attach to, last clamping assembly will be after deformation occurs Deformation part be clamped on the inner wall of shell so that deformation part keeps the state of deformation, to keep bottom end and the curved surface of deformation part It completely attaches to, so that pressure equaliser uniform force, reaches pressure balanced effect；When needing without using pressure equaliser When, clamping assembly release deformation part need to be only operated, deformation part restores to the original state under the resilient force of elastic component, in order to pressure Balancing device is next time using or using on different curved surfaces.The structure of this pressure equaliser is simple, easy to operate, deformation The bottom end of part can be completely attached to curved surface, so that pressure equaliser uniform force, reaches pressure balanced effect.The pressure For balancing device especially suitable in sucker, the bottom end of deformation part contradicts sucker ontology, enable the adsorption plane of sucker ontology with Curved surface completely attaches to, to realize that sucker adsorbs curved surface, overcomes the shortcomings that conventional suction cups are unable to adsorption curve.

Detailed description of the invention

Fig. 1 is the schematic perspective view of the sucker of the utility model.

Fig. 2 is the decomposition texture schematic diagram of the sucker of pressure equaliser of the utility model with embodiment one.

Fig. 3 is the decomposition texture schematic diagram of the sucker of pressure equaliser of the utility model with embodiment two.

Fig. 4 is the decomposition texture schematic diagram of the pressure equaliser of the embodiments of the present invention one

Fig. 5 is the decomposition texture schematic diagram of the pressure equaliser of the embodiments of the present invention two.

Description of symbols:

1, shell；11, traveller；12, body；13, cap；14, handle；15, guide holder；151, the second emptiness avoiding hole；2, shape Become part；21, main part；22, abutting portion；23, movable part；231, guide post；3, elastic component；4, clamping assembly；41, the first clamping Part；411, the first folding inclined-plane；42, the second Fastener；421, the second folding inclined-plane；43, clamping actuator；431, operation portion； 432, threaded shank；44, holding tank；45, slide opening；46, the first card-tight part；47, the second card-tight part；5, limit base；51, limiting slot； 52, the first emptiness avoiding hole；6, connecting rod；7, pull-push piece；8, sucker ontology.

Specific embodiment

For the ease of the understanding of those skilled in the art, the utility model is made below with reference to embodiment and attached drawing further Explanation, the content that embodiment refers to not is restriction to the utility model.

Embodiment one.

As shown in Figure 1, Figure 2 and Figure 4, a kind of pressure equaliser provided by the utility model comprising shell 1, activity Be set to shell 1 and be pressurized can the deformation part 2 that deformation occurs, be set in shell 1 and for driving deformation part 2 to restore to the original state Multiple elastic components 3 and be installed in clamping assembly 4 in shell 1 and for the deformation part 2 after deformation to be clamped in shell 1, institute The bottom end for stating deformation part 2 protrudes into outside shell 1 and for contradicting with extraneous structure, and multiple elastic components 3 are evenly distributed on deformation part 2 On, one end of elastic component 3 contradicts shell 1, and the other end of elastic component 3 contradicts deformation part 2.

Under normal conditions, the bottom end of deformation part 2 is located in same level, in actual use, the bottom end of deformation part 2 and extraneous knot The contact surface of structure contradicts, and when the contact surface of extraneous structure is plane, applies downward pressure to pressure equaliser, so that shape The bottom end and plane for becoming part 2 completely attach to, 2 uniform force of deformation part, so that pressure equaliser uniform force, reaches pressure The effect of dynamic balance；When the contact surface of extraneous structure is curved surface, the bottom end of deformation part 2 is not completely attached to curved surface, i.e. shape Become a part and curved face contact of part 2, another part is not contacted with curved surface, applies downward pressure to pressure equaliser at this time Power is squeezed in deformation part 2, so that the part being squeezed in deformation part 2 is along curved surface with a part of curved face contact Bending curvature and compress the elastic component 3 of corresponding position, i.e., deformation occurs for deformation part 2, until another part of deformation part 2 and bent Face contact, so that the bottom end of deformation part 2 and curved surface completely attach to, last clamping assembly 4 is by the deformation part 2 after deformation occurs It is clamped on the inner wall of shell 1, so that deformation part 2 keeps the state of deformation, so that the bottom end of deformation part 2 be kept to connect completely with curved surface Touching, so that pressure equaliser uniform force, reaches pressure balanced effect；When needing without using pressure equaliser, only Clamping assembly 4 need to be operated and discharge deformation part 2, deformation part 2 restores to the original state under the resilient force of elastic component 3, in order to pressure Balancing device is next time using or using on different curved surfaces.The structure of this pressure equaliser is simple, easy to operate, deformation The bottom end of part 2 can be completely attached to curved surface, so that pressure equaliser uniform force, reaches pressure balanced effect.The pressure For thrust balancing device especially suitable in sucker, the bottom end of deformation part 2 contradicts sucker ontology 8, enables the adsorption plane of sucker ontology 8 Enough and curved surface completely attaches to, to realize that sucker adsorbs curved surface, overcomes the shortcomings that conventional suction cups are unable to adsorption curve.

In the present embodiment, the clamping assembly 4 includes the first Fastener 41, the second Fastener 42 and blocks for driving first Tight part 41 and the second Fastener 42 close to or far from clamping actuator 43, first Fastener 41 and the second Fastener 42 pass It is symmetrical arranged in the central axis of clamping actuator 43, the deformation part 2 is set around the first Fastener 41 and the second Fastener 42 It sets；When the first Fastener 41 and the second Fastener 42 away from each other when, the first Fastener 41 and the second Fastener 42 will be after deformation Deformation part 2 be clamped in shell 1.

After deformation occurs for deformation part 2, clamping actuator 43 is operated, clamping actuator 43 drives the first Fastener 41 and the Two Fasteners 42 move away from each other, until the side of the first Fastener 41 and the second Fastener 42 away from each other with deformation part 2 against so that be clamped on shell 1 for deformed deformation part 2, so that deformation part 2 keeps the state of deformation, to guarantee deformation part 2 bottom end is completely attached to curved surface always.

In the present embodiment, first Fastener 41 is provided with the first folding inclined-plane 411, and second Fastener 42 is arranged There is the second folding inclined-plane 421 being oppositely arranged with the first folding inclined-plane 411, the first folding inclined-plane 411 and the second folding are oblique The holding tank 44 that the driving end for accommodating clamping actuator 43 is formed between face 421, when the driving end of clamping actuator 43 is supported When the first folding inclined-plane 411 of touching and the second folding inclined-plane 421, the first Fastener 41 and the second Fastener 42 are away from each other.Normality When, the driving end of clamping actuator 43 is located in holding tank 44, and when needing clamping deformation part 2, driving clamping actuator 43 is leaned on Nearly first folding inclined-plane 411 and the second folding inclined-plane 421 are mobile, so that the driving end of clamping actuator 43 is opened and closed with first respectively Inclined-plane 411 and the second folding inclined-plane 421 slide, so that driving end insertion the first Fastener 41 of clamping actuator 43 and the second card Between tight part 42, so that the first Fastener 41 moves away from each other with the second Fastener 42；Wherein, the first folding inclined-plane 411 and second folding inclined-plane 421 play the role of guiding to clamping actuator 43, in order to clamping actuator 43 driving first card Tight part 41 moves away from each other with the second Fastener 42, in addition, when the first Fastener 41 and the second Fastener 42 discharge deformation part 2 When, the driving end of clamping actuator 43 is retracted into accommodation groove, and holding tank 44 provides storage for the driving end of clamping actuator 43 Space mentioned in order to which clamping actuator 43 drives the first Fastener 41 to move away from each other with the second Fastener 42 next time The high efficiency of operation.

In the present embodiment, the clamping actuator 43 includes operation portion 431 and is connected to the threaded shank 432 of operation portion 431, The threaded shank 432 is threadedly coupled with shell 1 and protrudes between the first Fastener 41 and the second Fastener 42, the operation portion 431 are located at outside shell 1.In actual use, rotating operating unit 431, operation portion 431 drives threaded shank 432 to rotate, so that threaded shank 432 are threadedly coupled with shell 1, and the related operation portion 431 of threaded shank 432 is moved into shell 1, the free end insertion of threaded shank 432 Between first Fastener 41 and the second Fastener 42, so that the first Fastener 41 moves away from each other with the second Fastener 42, from And by 2 clamping of deformation part after deformation；The moving direction of first Fastener 41 and the second Fastener 42 and clamping actuator 43 Moving direction is vertical.

In the present embodiment, at least two travellers 11, first Fastener 41 and the second clamping are provided in the shell 1 Part 42 is provided at least one slide opening 45 being slidably matched with traveller 11, and the slide opening 45 is waist-shaped hole；In the first Fastener 41 and second Fastener 42 move away from each other during, under the cooperation of slide opening 45 and traveller 11,41 He of the first Fastener Second Fastener 42 is moved left and right respectively along a traveller 11.By the cooperation of slide opening 45 and traveller 11, on the one hand it is easy for Shell 1, the first Fastener 41 and the second Fastener 42 are assembled, and are on the other hand to improve the first Fastener 41 and the second card The mobile stability of tight part 42, avoids the first Fastener 41 and the second Fastener 42 that beat occurs.

In the present embodiment, the deformation part 2 is flexible glue part, the deformation part 2 include main part 21 in the shell 1 and The abutting portion 22 connecting with main part 21, the abutting portion 22 and main part 21 are annular in shape, the internal diameter of the abutting portion 22 Greater than the internal diameter of main part 21, the outer diameter of abutting portion 22 is less than the outer diameter of main part 21, the bottom surface of the main part 21 be used for The inner wall of shell 1 contradicts, and avoids deformation part 2 from being detached from shell 1, multiple 3 annular arrays of elastic component are set on main part 21, described Abutting portion 22 protrudes into outside shell 1, and the main part 21 is integrated construction with abutting portion 22, and it is convenient to manufacture, at low cost, and The structural stability and intensity of deformation part 2 are improved, the clamping assembly 4 is used to for main part 21 being clamped in the inner wall of shell 1； Threaded shank 432 runs through main part 21 or/and abutting portion 22.

In the present embodiment, it is installed with limit base 5 in the shell 1, is provided with limit between the limit base 5 and shell 1 Slot 51, the deformation part 2 and multiple elastic components 3 are located in limiting slot 51, and the side wall of limiting slot 51 is to elastic component 3 and deformation The left-right position of part 2 is limited, and improves the stability of elastic component 3 and deformation part 2, the deformation part 2 can be along limit The lateral wall of seat 5 slides up and down, and first Fastener 41 and the second Fastener 42 are provided at least one first card-tight part 46, the quantity summation of first card-tight part 46 is equal to bullet in the first card-tight part 46 and the second Fastener 42 in first Fastener 41 Property part 3 quantity, the limit base 5 is provided with for protruding into limiting slot 51 and clamping deformation part 2 for the first card-tight part 46 Multiple first emptiness avoiding holes 52, the first card-tight part 46 of the first Fastener 41 and the first card-tight part 46 of the second Fastener 42 are via One emptiness avoiding hole 52 protrudes into limiting slot 51, until deformation part 2 is clamped in shell 1 by the first card-tight part 46.When abutting portion 22 When being squeezed by curved surface, abutting portion 22 is via 21 compression elastic piece 3 of main part, so that the part that abutting portion 22 is extruded is related The corresponding position of main part 21 is along the bending curvature of curved surface, until abutting portion 22 and curved surface completely attach to, clamping assembly 4 will be led Body portion 21 is clamped on shell 1, so that deformation part 2 is maintained at deformed state.

Preferably, the elastic component 3 is spring, and the structure of spring is simple, at low cost, and maintenance and replacement are convenient, and elasticity is good, Long service life.

Preferably, the elastic component 3 is C-shaped elastic slice.

Preferably, the shell 1 includes body 12 and the cap 13 for being covered on body 12, and the body 12 and cap 13 are logical Screw connection or ultrasonic bonding is crossed, forms cavity between the body 12 and cap 13, first Fastener 41, second blocks The structures such as tight part 42 are located in cavity.

Preferably, the top of the cap 13 is provided with handle 14, and handle 14 plays the function of connection neck, for connecting hand The components such as base；In addition, user's handle 14 can press pressure balance when handle is not connect with components such as mobile phone seats Device, it is easy to use, quick, it is also convenient for user and takes pressure equaliser.

Embodiment two.

Such as Fig. 1, as shown in Figure 3 and Figure 5, embodiment two includes more the difference from embodiment 1 is that: the deformation part 2 A movable part 23, multiple 23 circular arrays of movable part are set to the surrounding of the first Fastener 41 and the second Fastener 42, activity Part 23 is arranged in a one-to-one correspondence with elastic component 3, and multiple guide holders 15, a sliding setting of movable part 23 are provided in the shell 1 In a guide holder 15, guide holder 15 plays the role of guiding to moving up and down for movable part 23, and it is mobile to improve movable part 23 Stability, an elastic component 3 is located in a guide holder 15, and the inner wall of guide holder 15 limits elastic component 3, avoids Elastic component 3 is toppled over or beat, improves the stability of elastic component 3, and the top of the movable part 23 is provided with guide post 231, The elastic component 3 is sheathed on outside guide post 231, is assembled convenient for elastic component 3 and movable part 23, and the movable part 23 is by three circles Cylinder is sequentially overlapped, and the diameter of intermediate cylindrical body is maximum, and the diameter of the cylindrical body (guide post 231) of upper end is minimum, intermediate The bottom surface of cylindrical body be used to contradict with the bottom wall of guide holder 15, avoid movable part 23 from being detached from shell 1.

When a part of movable part 23 in deformation part 2 is squeezed by curved surface, the movable part 23 of the part is moved up simultaneously Compression elastic piece 3, so as to be formed by cambered surface equal with the radian of curved surface for the movable part 23 of the part, to make multiple movable parts 23 completely attach to curved surface, and the movable part 23 after clamping assembly 4 will move up is clamped on shell 1, to keep the deformation of deformation part 2 State.

In the present embodiment, first Fastener 41 and the second Fastener 42 are provided with multiple second card-tight parts 47, institute Guide holder 15 is stated to be provided with for the second emptiness avoiding hole 151 for 47 clamping movable part 23 of the second card-tight part, the first Fastener 41 Second card-tight part 47 of the second card-tight part 47 and the second Fastener 42 protrudes into guide holder 15 via the second emptiness avoiding hole 151, directly Deformation part 2 is clamped on to the inner wall of guide holder 15 to the second card-tight part 47, the smart structural design, so that the first Fastener 41, Second Fastener 42 and guide holder 15 it is compact-sized.

Remaining structure of embodiment two and remaining structure of embodiment one are identical, and this is no longer going to repeat them.

As shown in Figure 1 to Figure 3, the utility model also provides a kind of sucker, including above-mentioned pressure equaliser, through The connecting rod 6 of pressure equaliser, be rotationally connected with connecting rod 6 one end pull-push piece 7 and be connected to connecting rod 6 the other end sucker Ontology 8, the bottom end of the deformation part 2 and sucker ontology 8 contradict, and the pusher part is located at the top of shell 1, the pull-push piece 7 It is connect by pin shaft with connecting rod 6.

In actual use, apply pressure to sucker, under the action of deformation part 2, so that sucker ontology 8 connects completely with curved surface Touching, i.e. the radian of sucker ontology 8 and the radian of curved surface is equal, at this point, the air quilt between the adsorption plane and curved surface of sucker ontology 8 It is discharged, and reaches the state of sealing between curved surface and the adsorption plane of sucker ontology 8, then press pull-push piece 7 to pull on connecting rod 6 It moves, 6 pull sucker ontology 8 of connecting rod, so that forming bigger confined space between the adsorption plane and curved surface of sucker ontology 8, improves The adsorption capacity of sucker.This sucker is also equipped with above-mentioned pressure equaliser effect obtained, and this is no longer going to repeat them.

All technical characteristics in the present embodiment can be freely combined according to actual needs.

Above-described embodiment is the preferable implementation of the utility model, and in addition to this, the utility model can be with other sides Formula realizes that any obvious replacement is in the protection model of the utility model under the premise of not departing from the technical program design Within enclosing.

Claims

1. a kind of pressure equaliser, it is characterised in that: including shell, be movably set in shell and being capable of the deformation that deformation occurs Part is set in shell and is used to drive the restorable multiple elastic components of deformation part and is installed in shell and is used for deformation Deformation part afterwards is clamped in the clamping assembly of shell, and the bottom end of the deformation part protrudes into outside shell and for supporting with extraneous structure Touching.

2. a kind of pressure equaliser according to claim 1, it is characterised in that: the clamping assembly includes the first clamping Part, the second Fastener and for drive the first Fastener and the second Fastener close to or far from clamping actuator, the deformation Part is arranged around the first Fastener and the second Fastener；When the first Fastener and the second Fastener away from each other when, the first clamping Deformation part after deformation is clamped in shell by part and the second Fastener.

3. a kind of pressure equaliser according to claim 2, it is characterised in that: first Fastener is provided with first Inclined-plane is opened and closed, second Fastener is provided with the second folding inclined-plane being oppositely arranged with the first folding inclined-plane, when clamping drives When the driving end of part contradicts the first folding inclined-plane and the second folding inclined-plane, the first Fastener and the second Fastener are away from each other.

4. a kind of pressure equaliser according to claim 3, it is characterised in that: the clamping actuator includes operation portion And it is connected to the threaded shank of operation portion, the threaded shank is threadedly coupled with shell and protrudes into the first Fastener and the second Fastener Between, the operating position is in outside shell.

5. a kind of pressure equaliser according to claim 2, it is characterised in that: be provided at least two in the shell Traveller, first Fastener and the second Fastener are provided at least one slide opening being slidably matched with traveller.

6. a kind of pressure equaliser according to claim 2, it is characterised in that: the deformation part is flexible glue part, described Deformation part includes positioned at abutting portion shell intracorporal main part and connect with main part, and the abutting portion and main part are in annulus Shape, multiple elastic component annular arrays are set on main part, and the abutting portion protrudes into outside shell.

7. a kind of pressure equaliser according to claim 6, it is characterised in that: it is installed with limit base in the shell, Limiting slot is provided between the limit base and shell, the deformation part and multiple elastic components are located in limiting slot, described First Fastener and the second Fastener are provided at least one first card-tight part, and the limit base is provided with for for the first card Tight portion protrudes into multiple first emptiness avoiding holes of limiting slot and clamping deformation part.

8. a kind of pressure equaliser according to claim 2, it is characterised in that: the deformation part includes multiple activities Part, movable part are arranged in a one-to-one correspondence with elastic component, and multiple guide holders are provided in the shell, and a movable part is slideably positioned in One guide holder.

9. a kind of pressure equaliser according to claim 8, it is characterised in that: first Fastener and the second clamping Part is provided with multiple second card-tight parts, and the guide holder is provided with for the second empty avoiding for the second card-tight part clamping movable part Hole.

10. a kind of sucker, it is characterised in that: including pressure equaliser as claimed in any one of claims 1-9 wherein, run through In pressure equaliser connecting rod, be rotationally connected with connecting rod one end pull-push piece and be connected to connecting rod the other end sucker sheet Body, the bottom end of the deformation part and sucker ontology contradict.